How To Fix TPM0202 - An account assignment reference has already been defined

SAP Error Message - Details

• Message type: E = Error

• Message class: TPM0 - TR position management

• Message number: 202

• Message text: An account assignment reference has already been defined

What causes this issue?

You wish to define an account assignment reference for positions with
the following attributes:
Company code : &v1&
ID number : &v2&
Sec. account : &v3&
However, the account assignment reference &v4& has already been defined
for these positions.

Error message extract from SAP system. Copyright SAP SE.