How To Fix IUUC_MAIN155 - &1: Invalid Object definit (only one table on first and second level)

IUUC_MAIN155 - Overview

• Message type: E = Error

• Message class: IUUC_MAIN - IUUC: Main Message class

• Message number: 155

• Message text: &1: Invalid Object definit (only one table on first and second level)

What causes this issue?

It was tried to define a migration object for a replication (incremental
data transfer) in such a way that on first or second level, more than
one tables have been defined. This is not allowed. For this type of
migration objects, there mus be exactly one table on first and second
level. Only on subsequent hierarchy levels, more tables can be
specified.

System Response

The runtime objects could not be generated

How to fix this error?

Redefine the migration object accordingly

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IUUC_MAIN155 - &1: Invalid Object definit (only one table on first and second level) ?

  The SAP error message IUUC_MAIN155 typically indicates an issue related to the Data Replication Server (DRS) or the SAP Landscape Transformation (SLT) replication setup. This error suggests that there is an invalid object definition, specifically when the system expects a certain structure or configuration for the replication of data but finds it lacking or incorrect.
  
  Cause:
  
  
  Invalid Object Definition: The error message indicates that the object definition for the table being replicated is not valid. This could be due to:
  
  The table does not exist in the source or target system.
  The table structure has changed (e.g., columns added or removed) without updating the replication configuration.
  The replication setup is not correctly configured for the specific table.
  
  
  
  Replication 
  Configuration Issues: There may be issues with the configuration of the SLT or DRS, such as:
  
  Incorrectly defined replication settings.
  Missing or incorrect mapping of fields between source and target.
  
  
  
  Single Table Limitation: The error message mentions "only one table on