How To Fix RM821 - No activity type has been specified in row &

RM821 - Overview

• Message type: E = Error

• Message class: RM - Messages for Repetitive Manufacturing

• Message number: 821

• Message text: No activity type has been specified in row &

What causes this issue?

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

System Response

You must maintain an <DS:GLOS.activity_type>activity type</> for every
standard value parameter (for example, setup or teardown) for which
actual activity is to be backflushed. In the row in question, no
activity type has been specified although an actual activity exists.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RM821 - No activity type has been specified in row & ?

  The SAP error message RM821 ("No activity type has been specified in row &") typically occurs in the context of cost planning or activity allocation in SAP, particularly when working with activity types in controlling (CO) modules. This error indicates that the system expects an activity type to be specified in a certain row of a planning or allocation document, but it is missing.
  
  Cause:
  
  Missing Activity Type: The most common cause is that the activity type field is left blank in the relevant planning document or allocation entry.
  Incorrect Configuration: There may be issues with the configuration of the activity types in the system, such as missing or incorrectly defined activity types.
  Data Entry Error: Users may have inadvertently skipped entering the activity type while entering data in a planning transaction.
  Template Issues: If you are using a template for planning, the template may not have the activity type defined.
  
  
  Solution:
  
  Check the Input Data: Review