How To Fix TRS0166 - Sec. acct &1: Change to SA category &2 with new SA type &3 not permitted

SAP Error Message - Details

• Message type: E = Error

• Message class: TRS0 - Messages for Reconciliation

• Message number: 166

• Message text: Sec. acct &1: Change to SA category &2 with new SA type &3 not permitted

What causes this issue?

You want to assign securities account &V1& to securities account
category &V2&. However, the securities account category has another
securities account type (securities account type = &V4& ).
You can only switch the securities account category with another
securities account type if there is no securities account position
indicator for this securities account. But there are already securities
account position indicators for securities account &V1&.

System Response

Securities account category &V2& cannot be assigned.

How to fix this error?

If possible, delete the securities account position indicators for
securities account &V1&.
Change to a securities account category with the same securities account
type &V3&.

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.