Price change MR21

Dear all,

While changing price for a particular inhouse produced semi finished item through Tr.code MR21

System is giving error like below

error: A current or future standard price exists for material 610000000000000037

Message no. CKPRCH025

Diagnosis

A current or future cost estimate exists.

Procedure

You can set the price of a marked cost estimate through the radio button

'Default Planned Prices' and release it by saving.

Please suggest the way