How To Fix RSM2027 - Do not update data in source system immediately

RSM2027 - Overview

• Message type: E = Error

• Message class: RSM2 - Monitor assistant help texts

• Message number: 027

• Message text: Do not update data in source system immediately

What causes this issue?

You have not set the indicator "Update data in source system
immediately" on the "Update parameters" tabstrip in the Scheduler.
&USE&
If you select this field, then the data request is evaluated in the
source system straight away and the selected data is sent to BW.
If you remove the selection, you can update the request IDoc manually in
the source system. You also have the option of locating and removing
errors in the data selection with the
<DS:GLOS.3526B1DBAFAB52B9E10000009B38F974>Debugger</>.

Error message extract from SAP system. Copyright SAP SE.

RSM2027 - Details

• The SAP error message RSM2027, which states "Do not update data in source system immediately," typically occurs in the context of data extraction processes, particularly when using SAP's Data Warehousing solutions like SAP BW (Business Warehouse) or SAP BW/4HANA. This error is related to the data extraction process from the source system to the target system (like BW) and indicates that there is a restriction on updating data in the source system during the extraction process.
  
  Cause:
  
  Data Locking: The error often arises when there are ongoing data extraction processes that lock the data in the source system. This is to ensure data consistency and integrity during the extraction.
  Data Transfer Process (DTP) Issues: If a Data Transfer Process is running or has failed, it may prevent updates to the source system.
  Process Chains: If a process chain is running that involves data extraction, it may also lead to this error.
  Configuration Settings: Certain settings