How To Fix CSP_BDEF_CHECK036 - Key field '&1' must use 'mandatory:create' (see longtext)

SAP Error Message - Details

• Message type: E = Error

• Message class: CSP_BDEF_CHECK - Messages for CSP-implemented BDEF checks

• Message number: 036

• Message text: Key field '&1' must use 'mandatory:create' (see longtext)

What causes this issue?

A key field is not marked as 'readonly' and doesn't use
'managed:numbering'. Usage of 'mandatory:create is required.

System Response

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

How to fix this error?

Add 'mandatory:create'

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CSP_BDEF_CHECK036 - Key field '&1' must use 'mandatory:create' (see longtext) ?

  The SAP error message CSP_BDEF_CHECK036 indicates that a key field in a business object definition is not configured correctly. Specifically, it states that the key field '&1' must use the 'mandatory:create' attribute. This error typically arises in the context of Business Object Definitions (BOD) in SAP Cloud Platform or SAP Business Application Studio.
  
  Cause:
  The error occurs when a key field that is expected to be mandatory during the creation of a business object is not marked as such. In SAP, key fields are essential for uniquely identifying records, and they must be defined as mandatory when creating new instances of the business object.
  
  Solution:
  To resolve this error, you need to modify the business object definition to ensure that the key field is marked as mandatory for creation. Here are the steps to do this:
  
  
  Access the Business Object Definition:
  
  Open the relevant business object definition in the SAP Business Application Studio or the appropriate