How To Fix 00671 - Internal session terminated with a runtime error & (see ST22)

00671 - Overview

• Message type: E = Error

• Message class: 00 -

• Message number: 671

• Message text: Internal session terminated with a runtime error & (see ST22)

The internal session of the background process was interrupted due to a
runtime error. The runtime error has been saved in the database and can
be analyzed using the transaction ST22 (ABAP dump analysis). The runtime
error will be deleted automatically in 4 weeks.

Error message extract from SAP system. Copyright SAP SE.

00671 - Details

• The SAP error message "00671 Internal session terminated with a runtime error" typically indicates that an ABAP program has encountered a runtime error, which has caused the session to terminate unexpectedly. This can happen for various reasons, including programming errors, resource issues, or data inconsistencies.
  Causes:
  
  Programming Errors: Bugs in the ABAP code, such as accessing null references, division by zero, or incorrect data types.
  Resource Limitations: Insufficient memory or other system resources can lead to runtime errors.
  Data Inconsistencies: Issues with the data being processed, such as missing or corrupted data.
  
  Configuration Issues: Incorrect settings in the SAP system or in the specific application module.
  Transport Issues: Problems with transported objects that may not have been properly adjusted in the target system.
  
  
  Solution:
  
  
  Check ST22: The first step is to check transaction ST22 (Dump Analysis) to get detailed information about the runtime error. This transaction provides a list of dumps that have occurred, along with their details.
  
  Look