Header EFF not getting updated correctly using extension

Summary:

We are trying to update a header EFF with the value of line price, using an extension. If the price is changed manually, the EFF should get updated with the new value. The extension is working as expected, but only when we Save the order twice. On clicking Save the first time, the changes do not reflect.

Any suggestions would be helpful.

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Code Snippet (add any code snippets that support your topic, if applicable):

import oracle.apps.scm.doo.common.extensions.Message;