How To Fix RS_B4H_TRANSFER_APD020 - Generator not found for map object '&1'. (Predecessor)

RS_B4H_TRANSFER_APD020 - Overview

• Message type: E = Error

• Message class: RS_B4H_TRANSFER_APD -

• Message number: 020

• Message text: Generator not found for map object '&1'. (Predecessor)

What causes this issue?

Each map object is generated by its own generator. This generator
contains important information about generated object. If generator is
not found generation of map object was not successful. See log of
generation process to find any generation errors.

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 RS_B4H_TRANSFER_APD020 - Generator not found for map object '&1'. (Predecessor) ?

  The SAP error message RS_B4H_TRANSFER_APD020 indicates that there is a problem with the data transfer process in SAP BW (Business Warehouse) related to a specific map object. The message states that a generator for the specified map object (denoted by &1) could not be found, which typically means that the system is unable to locate the necessary mapping or transformation logic required to process the data.
  Causes:
  
  Missing or Incomplete Mapping: The mapping object that is supposed to be used for the data transfer may not be defined correctly or is missing entirely.
  Incorrect Configuration: The configuration settings for the data transfer process (DTP) may not be set up properly, leading to the inability to find the required generator.
  Transport Issues: If the mapping object was recently transported from another system, it may not have been transported correctly, or dependencies may be missing.
  Versioning Issues: There may be version mismatches between the source and target