Hello Harold ,
What about the new project ? Does it also a PE project ?
And how about first Convert a Processor Expert project from linked mode to standalone mode ,
then copy files and code to the new project refer to this thread :
https://community.nxp.com/docs/DOC-102109
If still can not used , please tell me the version of CW, the chip number , and the error screenshot .
Also tell me the steps you do , i will check it on my side .
Hope it helps
Alice