How To Fix R8156 - Secondary segment &1; invalid internal data type '&2' (use type 'h')

R8156 - Overview

• Message type: E = Error

• Message class: R8 - Messages from the meta data generation

• Message number: 156

• Message text: Secondary segment &1; invalid internal data type '&2' (use type 'h')

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message R8156 - Secondary segment &1; invalid internal data type '&2' (use type 'h') ?

  The SAP error message R8156 indicates that there is an issue with the internal data type of a secondary segment in a data structure. Specifically, it suggests that the internal data type being used is invalid and that the expected type should be 'h' (which typically refers to a hexadecimal type).
  
  Cause:
  The error can occur due to several reasons:
  
  Incorrect Data Type: The secondary segment is defined with an incorrect data type that does not match the expected type.
  Data Structure Definition: There may be an issue in the definition of the data structure or the way the secondary segment is being used in the program.
  Program Logic: The logic in the ABAP program may be attempting to process data in a way that is incompatible with the defined data types.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Data Type Definitions:
  
  Review the data structure definitions in your ABAP program. Ensure that the