How To Fix RG106 - Routine &1 in program &2 could not be called

RG106 - Overview

• Message type: E = Error

• Message class: RG - BW generation tool: Messages

• Message number: 106

• Message text: Routine &1 in program &2 could not be called

What causes this issue?

Routine &v1& in program &v2& is to be called dynamically. The call
failed. Program &v2& has probably not been generated or is out of date.
The program belongs to program class &v3& (I_PROGRAM_CLASS) and has the
unique ID &v4& in the administration of programs generated.

System Response

Processing was terminated.

How to fix this error?

Contact a system administrator.

Procedure for System Administrators

If you know which application generates the program, you can try to
generate the program again. If you do not know the reference for the
application transaction, or if this message appears again, contact SAP
Support, quoting message class <ZH>RG</>, message number <ZH>106</>, and
program class <ZH>&v3&</>.
Depending on the program class, it is also possible in some cases to
generate the class manually by calling function module
RSS_PROGRAM_GENERATE in the individual test environment. Enter the
values given above for the parameters. These are also specified above
(in parenthesis). Then set parameter I_FORCE_GENERATION to uppercase X.

Error message extract from SAP system. Copyright SAP SE.

RG106 - Details

• The SAP error message RG106 indicates that a specific routine (function module or method) could not be called in the specified program. This error typically arises during the execution of a report or program that attempts to invoke a routine that is either not defined, not accessible, or has been incorrectly specified.
  Causes of RG106 Error
  
  
  Routine Not Defined: The routine specified in the error message does not exist in the system. This could be due to a typo in the routine name or the routine not being created.
  
  
  Authorization Issues: The user executing the program may not have the necessary authorizations to call the specified routine.
  
  
  Program Errors: There may be issues in the program code itself, such as incorrect parameters being passed to the routine.
  
  
  Transport Issues: If the program or routine was recently transported from another system, it may not have been transported correctly, leading to missing components.
  
  
  Version Mismatch: The routine may