I want to learn how to analyze and fix ABAP dumps in a simple, practical way.

Please help with the following points:

• What is an ABAP short dump and why does it occur?
• How can we read the important sections of an ST22 dump, such as Runtime Errors, Error Analysis, Source Code Extract, and Active Calls/Events?
• How can we identify the exact program, include, method, function module, and line number causing the error?
• What are the common ABAP dump errors, such as GETWA_NOT_ASSIGNED, ITAB_DUPLICATE_KEY, CONVT_NO_NUMBER, DBSQL_SQL_ERROR, TIME_OUT, and TSV_TNEW_PAGE_ALLOC_FAILED?
• How can we fix a field symbol not assigned error or a null object reference error?
• How can we handle conversion errors when a character value is moved to a numeric field?
• How can we prevent internal table duplicate key errors?
• How can we troubleshoot database-related dumps and authorization-related dumps?
• When should we use TRY...CATCH, IF ... IS ASSIGNED, IS BOUND, and validation checks to prevent dumps?
• How can we reproduce the issue safely in development or quality systems before fixing it in production?

A beginner-friendly explanation with real ABAP code examples, common dump scenarios, and troubleshooting steps would be very helpful.

I know that breakpoints can be used, but I want to understand the complete debugging process in a simple and practical way.

For example, I want to know how to find why an internal table is empty, why a SELECT statement is not returning data, why an IF condition is not working, or why sy-subrc has an unexpected value.

Please help with the following points:

• How can we start debugging an ABAP report, function module, class method, BAdI, user exit, or enhancement?
• What is the difference between session breakpoint and external breakpoint?
• When should we use a breakpoint, watchpoint, or conditional breakpoint?
• How can we debug a background job, RFC call, update task, IDoc, or Web Dynpro application?
• How do we check variable values, internal tables, structures, field symbols, and references in the ABAP debugger?
• How can we identify why a SELECT statement returns no records?
• How can we use sy-subrc correctly while debugging?
• How can we skip code, change variable values temporarily, or move the execution pointer during debugging?
• What are the most useful debugger shortcuts and tips for beginners?
• What are common ABAP debugging mistakes and how can they be avoided?

A simple step-by-step explanation with real examples, screenshots, and common troubleshooting scenarios would be very helpful.