How To Fix CNV_IUUC_REPLICATION387 - Failed to update: MT_ID &1 Field Name &2; see long text

CNV_IUUC_REPLICATION387 - Overview

• Message type: E = Error

• Message class: CNV_IUUC_REPLICATION - IUUC replication messages (HANA)

• Message number: 387

• Message text: Failed to update: MT_ID &1 Field Name &2; see long text

Procedure
Check the Table Fields section on Advanced Replication Settings -> Table
Settings-> Mapping Values. Make sure you use the correct statements for
this field. For example, the Target DB Type field must not contain any
field names

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

For how to specify a target system database data type for a specific
field, see the Table Fields section in
<DS:TX.IUUC_REPL_HELP_MAPPING_VALUE>Mapping Values</>

Error message extract from SAP system. Copyright SAP SE.

CNV_IUUC_REPLICATION387 - Details

• The SAP error message CNV_IUUC_REPLICATION387 typically occurs in the context of data replication processes, particularly when using SAP Landscape Transformation (SLT) for real-time data replication. This error indicates that there was a failure to update a specific field in a table during the replication process.
  
  Cause:
  The error can be caused by several factors, including:
  
  Data Type Mismatch: The data type of the source field does not match the target field in the SAP system.
  Null Values: Attempting to insert or update a record with a null value in a field that does not allow nulls.
  Constraints Violation: There may be constraints (like primary key or foreign key constraints) that are being violated during the update.
  Replication 
  Configuration Issues: There may be issues with the configuration of the SLT replication settings.
  Database Locking: The target table may be locked by another process, preventing the update from occurring.
  Data Consistency Issues: The data being replicated may not be consistent