How To Fix AH393 - Internal: log. reg. &1 equip. no. &2 reg. &3 date &4: no entry in IZWST

AH393 - Overview

• Message type: E = Error

• Message class: AH - IS-U billing (master data)

• Message number: 393

• Message text: Internal: log. reg. &1 equip. no. &2 reg. &3 date &4: no entry in IZWST

What causes this issue?

An internal error has occurred.

System Response

Processing is terminated.

How to fix this error?

Contact SAP, and provide the following error message:
Logical register &V1&, equipment number &V2&, register &V3&, date &V4&
There is no entry in the internal table IZWST for the specified
register. An internal error occurred in program LEA00U10 when table IZW
was being compared with IZWST.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AH393 - Internal: log. reg. &1 equip. no. &2 reg. &3 date &4: no entry in IZWST ?

  The SAP error message AH393 indicates that there is an issue related to the registration of an equipment number in the system. Specifically, it suggests that there is no entry in the IZWST (which stands for "Installation and Maintenance Data" table) for the specified equipment number and registration date.
  
  Cause:
  The error can occur due to several reasons:
  
  Missing Data: The equipment number you are trying to register does not have a corresponding entry in the IZWST table.
  Incorrect Registration Date: The registration date provided may not match any existing records for that equipment.
  Data Inconsistency: There may be inconsistencies in the data, such as missing or incorrect entries in related tables.
  
  Configuration Issues: There may be configuration issues in the system that prevent the proper registration of equipment.
  
  
  Solution:
  To resolve the AH393 error, you can take the following steps:
  
  Check Equipment Number: Verify that the equipment number (&2) you are trying to register is correct and exists