How To Fix MN864 - Internal error during field check (content of field & missing)

MN864 - Overview

• Message type: E = Error

• Message class: MN - Message class for subsequent settlement (Purchasing)

• Message number: 864

• Message text: Internal error during field check (content of field & missing)

What causes this issue?

Certain function modules are executed in order to check external data
records (checking of field contents or enhancement of data).
The order of execution of these modules is not correct. Field &V1& is
empty, although this could have been picked up in an earlier step.
The error occurred in function module &V2&.

System Response

The external data record cannot be adopted.

How to fix this error?

Please look into this matter.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MN864 - Internal error during field check (content of field & missing) ?

  The SAP error message MN864, which states "Internal error during field check (content of field & missing)," typically indicates that there is an issue with the data being processed in a specific field within the SAP system. This error can occur in various contexts, such as during data entry, processing transactions, or executing reports.
  Causes:
  
  Data Integrity Issues: The field in question may contain invalid or unexpected data that does not conform to the expected format or data type.
  Configuration Errors: There may be issues with the configuration of the relevant module or transaction, leading to incorrect field checks.
  Custom Code: If there are custom enhancements or modifications in the system, they might be causing conflicts or errors during field validation.
  Missing Data: The error message suggests that a required field is missing or has not been populated correctly.
  System Bugs: There could be bugs in the SAP system or specific patches that need to be