How To Fix AJ201 - Device &1 reg. &2 per. &3-&4: compress. table from user exit implausible

AJ201 - Overview

• Message type: E = Error

• Message class: AJ - Billing program

• Message number: 201

• Message text: Device &1 reg. &2 per. &3-&4: compress. table from user exit implausible

What causes this issue?

A volume correction factor procedure that requires calculation of
compressibility and/or supercompressibility through user exit <LS>
EXIT_SAPLEA54_001</> is active for the specified register. In this
case, however, the value could not be calculated because return table
y_table_compr_factors is implausible. It contains table entries having
a calculated compressibility or supercompressibility of zero.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

First analyze the cause of the termination in your user-defined user
exit. Inform the person who is responsible for programming the user
exit.
The person responsible for the program should note the following:
In the IS-U menu, choose <LS>Billing execution</> -> <LS>Billing
analysis</>.
Choose <LS>Settings</> -> <LS>General</>, then set the <LS>Debugging on
</> indicator.
Start a billing simulation with the affected contract. Enter TGHUEXIT
in the <LS>Breakpoint at</> field.
You branch immediately to the point where your user exit is called, and
you may be able to localize the error in debugging.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AJ201 - Device &1 reg. &2 per. &3-&4: compress. table from user exit implausible ?

  The SAP error message AJ201 indicates an issue with the compression of a table in the context of a user exit. This error typically arises in the context of the SAP Controlling (CO) module, particularly when dealing with the compression of CO data in the database.
  
  Cause:
  The error message "Device &1 reg. &2 per. &3-&4: compress. table from user exit implausible" suggests that there is an inconsistency or an issue with the data being processed during the compression of the CO tables. The specific causes can include:
  
  Data Inconsistency: There may be inconsistencies in the data that are being compressed, such as missing or incorrect entries.
  User Exit Logic: The logic implemented in the user exit may not be handling certain scenarios correctly, leading to implausible data being generated.
  
  Configuration Issues: Incorrect configuration settings in the CO module can also lead to this error.
  Version Mismatch: If there are discrepancies between the versions of the