SCN is a great place to share knowledge and learn from experts. I'm recently going through the blogs/documents posted on SCN. I see so many useful documents which I benefited a lot. Sometimes I even feel regrets that it would have saved a lot of time to troubleshoot a problem if I had read the document sooner. These documents are definitely worth your time. It's really a pity to see them buried in the document sea. So I'm keeping a track of the documents I read in this blog and will keep it updated if I see anything new and useful.
PS: Documents marked with a happy face are written by me. 
PP concepts:
MTS, MTO, ATO, CTO, ETO… Strategies to connect Sales with Production
How I can keep my SAP system healthy? (Part-1 PP)
Capacity Planning! Or Scheduling? ::: Leveling? Maybe Sequencing?
Discrete Manufacturing in SAP versus Repetitive
Lean Manufacturing with SAP-ERP
introducing flow on your production line
Career Path of SAP ERP Professional
RICEFW's in SAP projects and role of functional consultant
PP Basics:
Introduction to SAP PP and common PP tables
A summary of SAP standard key tables by Production Planning(PP) subfunctions.
Useful Customization Transactions for SAP Production Planning (PP) Module
Useful Customization Transactions for SAP PP-PI Module
LIST OF BAPI FOR PRODUCTION PLANNING MODULE
SAP Manufacturing- Background Jobs and Associated Programs
Often used PP reports in SAP Notes
MRP related:
SAP MRP - Materials Requirements Planning
MRP: Frequently Asked Questions
MRP and Availability Check - FAQ's
Why should I use transaction MD05 to analyze the MRP results?
Analyze and improve MRP performance
Explore hidden functions in MD04
Icons for frequently used transactions in MD04
Material Grouping and Cross-Plant View in the Stock/Requirement List(T-code MD04)
MRP: Processing Keys Explained
MRP: Create Purchase Requisitions
MRP: User exit key & User exit parameter
MRP: Planning Mode - why choose re-explode BOM and Routing?
MRP: Why shouldn’t I use planning mode 3 on a productive system?
MRP Exception Messages list - introductory information
How to set the optimal number of sessions for MRP parallel processing
The Importance of FIRMING type as an Important Control Parameter in Planning Result
Forecast Based Planning - Yearly Consumption and Single PR for Forecasted Values
Long term planning execution - step by step
Concept of Discontinuation Data - Material Master and BOM
Basics of using discontinuation data
Calculating the Dates: Planning Calendar
Dynamic Safety stock calculation with help of the Coverage profile
Assembly processing in another plant in ECC
Plant wise number ranges for MRP PRs
CBP - Manual Reorder Point Planning
Reasons of material requirement is not considered in MRP run
Item category is not filled for a planning element created by MRP
MRP: Create Purchase Requisitions
MRP: User exit key & User exit parameter
MRP: Planning Mode - why choose re-explode BOM and Routing?
MRP: Why shouldn’t I use planning mode 3 on a productive system?
Production version-Alternate BOM selection-Quota arrangement
Alternative BOM Selection: A Workaround
Open a customizing transaction for changes on the productive system
How to set the optimal number of sessions for MRP parallel processing
MRP Exception Messages list - introductory information
Periodic Schedule of ATP Jobs after MRP job
MRP Stock days’ Supply and Receipt Days’ Supply
Safety Time in Planning – The Time Float
Dynamic Safety Stock – The Quantity Float
Safety Stock and its Availability for Planning Purposes
Purpose and Usage of Splitting Indicator in Planning
Functionality of Quota Arrangement in Production
Production version-Alternate BOM selection-Quota arrangement
Planning file entry concept in MRP
Mass Creation of Planning File Entries
Individual or collective requirements for components?
Full Confirmation Logic for Planned Order
Periodic Schedule of ATP Jobs after MRP job
Indicator 'Create Purchase Requisitions' is not considered by MRP
MRP: Vendor is not selected and general problems on source determination
MD04: Problems with sales orders
MRP: Stock transfer reservations and deliveries
Problems related to MRP created schedule lines
Problems with BOM explosion on MRP (Exception message 52)
CO41: Changes introduced by note 1901579
MRP Enhancements:
Making an element not relevant to MRP or MD04 using BAdI MD_CHANGE_MRP_DATA
How to create separate planned order / purchase requesition for same date
How to run MRP for a specific MRP controller
Total planning using MRP Controller
Custom Report: Stock and Requirement List by Exception Message
Planning Scenario Specific Material Master Data in LTP
MRP run for Consumption based planning
Custom Report: Stock and Requirement List by Exception Message
MRP Exception Messages via Logical Database DBM
Custom Report: MD07 Collective Access with Multiple Selections
Custom Program: Update consumption values in Consumtpion-Based Planning
Custom Program: Massive Creation of Planned Orders
PP-SFC basics
Production order database tables and their relations
Co-Product and By-product in Production order
Order Split without Product Cost Collector and By-Product
Concept of Alternative Item group functionality in BOM
Joint Production with Process material Overview - Part 1
Backflush and its priority in use
Production Planning and Control with SAP ERP - SFC based
Basic customizing of creating production orders and process orders
Concept of Alternative Sequence of Operation and how it can be used in Production Order.
Difference in "Confirmed" date in General data and Dates/Qties tab of Process order
SFC: Frequently Asked Questions
Some common exits used for production order Executions
Costing relevancy in Production/Process order
PP-SFC process related
Order type selection for production orders
Production/Process order creation: Order type default value on initial screen
Inprocess Inspection - Quantity Confirmation during Results Recording
Without GI confirmation and without confirmation GR is not possible
COLLECTIVE ORDER OR DIRECT PRODCUTION - A scenario overview
Understanding Production Order Variance - Part 1 Performance Evaluvation Through Standard Costs
Understanding Production Order Variance - Part 2 The SAP Perspective
Understanding Production Order Variance - Part 3 Price Difference Variance
When the batch determination should be done in production process.
Batch Assignment in Production Order – SAP AFS
The idea behind re-reading the master data (production orders)
Different Scraps and their effects in SAP PP
Change in DLV status in Production/Process order with Different Quantities
Default storage locatio selection for component
Assembly Subcontracting in Production
Subcontracting process in Production
Costing relevancy in Production/Process order
Shift Related confirmation - LOG_PP_SRN_CONF
Order Split without Product cost collector
Planned and Unplanned goods issue
COOIS/COOISPI - Production list
Allowed actual dates in future-In confirmation
Production order : status DLV and indicator "Delivery completed" Added on 1/8/2015
PP-SFC errors
CO11N - Frequently Asked Questions
Common COGI Errors & Resolutions
PP-SFC Hot Note - Error RU052 The order header must be transferred for the confirmation
PP-SFC Hot Note - COHV: Order conversion with missing parts
SAP PP module standard tcode errors and remedial SAP Notes
Activities Recalculation issue in CO11N when Changes are made in Yield Quantity along with Shift.
Production Order Closure of Previous Period
PP-SFC enhancement:
Open a customizing transaction for changes on the productive system
Without GI confirmation and without confirmation GR is not possible
To add a custom tab page in the production order Header Screen.
Additional field in CO11N-Enhancement CONFPP07
Material Request Creation against Reservations and Issue against Request ID
Additional Customer Fields in COOIS output
PP-PI Production Planning for Process Industries
A Beginner's Guide To PI sheets
Configuration document-PI Sheet
How to create a table in PI sheet
Create and Test a Basic Xstep in Standard Xstep Repository
Process Order Reconciliation - Workaround solution
COEBR: Common error trouble shooting
Active Ingredient Management in Process Industries
Mail Merge for Batch Manufacturing Record
Secondary Resources in Recipes
Change of resource in time ticket process order confirmation
Resource Classification in Master Recipe for Planning
PP-CRP Capacity Planning
PP-CRP: Scheduling and order dates calculation
CRP Basic Settings Part 1 - Work Center
CRP Basic Settings Part 2 – Routing
CRP Basic Settings Part 3 – Production Order
Capacity oriented Sales order Scheduling with Planning Materials
CRP Basic Settings part 4 - Running Capacity Leveling in Background
CM21 / CM25: General screen problems
PP-REM: Repetitive Manufacturing
Key considerations while moving from Discrete to Repetitive Manufacturing
Error message RM213 :Document is postprocessing document and cannot be cancelled
Repetitive Manufacturing Profile -REM Profile Asssistant
SAP REM full cycle scenario with basic step
Reporting point backflush in REM process
Dependent requirement reduction after reporting point backflush
311-Transfer posting reservation against Production order through MF60
Repetitive Manufacturing Profile -REM Profile Asssistant
REM Manufacturing confirmation: tables updating in MFBF
Measure Documents and REM Manufacturing.
HU , batch management and REM manufacturing.
Reversal of a postprocessing document in REM Manufacturing. Error RM213
Error message RM213 :Document is postprocessing document and cannot be cancelled
PP-MP-DEM: Demand Management
Overview of SAP Planning Strategy
Appropriate selection of Planning Strategies
Make-to-Stock Strategies: Strategy 10
Make to Stock Strategies - Strategy 11
Make to Order strategies - Strategy 20
Demand driven Planning with MTO Production(Stg:50)
Detailed difference btw 40& 50 Planning Strategies
Using two planning strategies for the same material
Concept on Consumption and Reduction
Demand Management: FAQ and consulting notes
Reorganization of Planned IndependentRequirements-MD74, MD75 & MD76
Create Planned Independent Requirement(PIR) for Configurable Material
Stock transfer Requirment Consume PIR
PP-SOP:
Sales and Operation Planning Overview
Flexible Planning in SOP process flow...
SOP: Rough-Cut Capacity Planning
PP-IS:
MC94 Error msg. MA360 No characteristic value combinations exist for the selected data
PP integration with other modules:
Integration between PP and SD module
Integration between PP module and PM module
Integration between PP module and QM module
Integration of PP module with MM module
Document Management System Integration with Production order( SFC)
QM basics:
Useful Customization Transactions for SAP Quality Management (QM) Module
In process Inspection in Production - Usage of Sampling Schema
Inprocess Inspection - Quantity Confirmation during Results Recording
In process inspection in Production at regular intervals
UD mandatory for Stock posting from Quality to Unrestricted Stock
Debugging:
How to analyze an error message in debug
How to analyze authorization issues in debug
How to analyze transaction MD04 in debug
A breakpoint to debug how RESB-NO_DISP is set by MRP
Batch Determination – Debug Tips
SAP如何debug远程调用的函数模块 (SAP: How to debug RFC)
SAP Query:
Configuration in Queries – An example with planned orders
Basic steps of report generation by query with example and scenario
Some tips on ABAP query (SQ01) Part 1
Some tips on ABAP query (SQ01) Part 2
Master data related:
BOM:
Compare BOMs with different categories.
Classes as place holders [Components in Super BOM]
Concept of Alternative Item group functionality in BOM
Alternative materials in BOM & Production Order
Order Type Based BOM Determination for Production Orders
Usage of Revision Level for PP Masters -BOM and Routing
Correct BOM selection in multiple BOMS for same FG Product for the same month
Classes as place holders [Components in Super BOM]
BOM Configuration: BOM Modification Parameters
Exploring Special Procurement Types: Phantom Assemblies
Multilevel BOM Explosion With all alternative BOMs like CS03
Routing:
Why Rate Routing is (recommended) used in Repetitive Manufacturing?
Update the material master with routing schedule function
Batch:
Overview of Batch Management added on 1/14/2015
Batch Derivation in Production
Considering component shelf life in batch determination
Align vendor batch number with SAP batch number during Goods Receipt
Batch Specific UoM and Active Ingredient Management
Batch Determination – Debug Tips
Batch Derivation with BADI Derivation
Batch Derivation Overview with example
others:
Material Revision,MRP and Inspection
Serial Numbers with specific reference to Production & Goods Movements - Part 1
Serial Numbers with specific reference to Production & Goods Movements - Part 2
Key performance efficiency for a work center in SAP PP R3
Variant Configuration- Basic idea
Upload Material Consumption Data into ECC - FM - MVER_MAINTAIN_DARK
CEWB - Engineering Workbench
Resource Classification in Master Recipe for Planning
CAPP: Calculating Standard Values
Standard Value calculation Via CAPP- an Overview
Key performance efficiency for a work center in SAP PP R3
CA85N: A transaction to perform mass change of work centers.
PP-KAB:
What can a Niche area like 'SAP KANBAN' do for you?
A simple Kanban Vendor solution
KANBAN Execution- Step by Step Approach
Fiori:
How To Setup the SAP Fiori Launchpad
Using SAP Fiori to manage shortages on MRP
Misc.
Transaction and Screen variants with an Example
creation of transaction variant
Combined Production Order Processing (DIMP)
Useful Notes on ATP (Available-to-promise)
Method to Find Transport requests for a Configuration Objects Easily
Program to display Authorization Object for any T. Code
Program to display Exits and BAdI
How to find User Exit for any T. Code
Method to find Exits and BAdis:
Script Recording & Playback for Dummies
Mail Trigger with TEXT file via JOB run
How to identify the relevant Correction notes applicable for your SAP Release in one-go?
Create folder in SAP Area Menu
Tip: how to find out the correct component when raising OSS messages