How To Fix CB621 - Cannot perform input check at the moment. Value must be rejected

CB621 - Overview

• Message type: E = Error

• Message class: CB - PP-PI-PMA: Dialog Messages for Process Management

• Message number: 621

• Message text: Cannot perform input check at the moment. Value must be rejected

What causes this issue?

According to the definition of characteristic &V1&, the input check is
to be called in a remote system (RFC destination &V2&) and display this
message in the case of an error.
The RFC call returns the following error message: "&V3&&V4&".

System Response

The value you entered must be rejected.

How to fix this error?

Wait until the remote system is available again or the error has been
fixed, and repeat your entry.

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 CB621 - Cannot perform input check at the moment. Value must be rejected ?

  The SAP error message CB621, which states "Cannot perform input check at the moment. Value must be rejected," typically occurs in the context of data validation within SAP systems, particularly when dealing with master data or transactional data entries. This error indicates that the system is unable to perform the necessary checks on the input data, leading to a rejection of the value entered.
  Causes:
  
  System 
  Configuration Issues: There may be issues with the configuration of the input checks in the system, such as missing or incorrect settings in the validation rules.
  Data Inconsistencies: The data being entered may not meet the required criteria or may be inconsistent with existing data in the system.
  Temporary System Issues: Sometimes, temporary issues with the SAP system or database can prevent input checks from being performed.
  Authorization Issues: The user may not have the necessary authorizations to perform the input check, leading to a rejection of the value.
  Custom