Custom Field Invalid Type Column using PSI in Project Server

In Project Server, when I tried to update a custom field value for specific project using PSI web service. I got the following exception

ProjectServerError(s) LastError=CustomFieldInvalidTypeColumnFilledIn Instructions: Pass this into PSClientError constructor to access all error information

Custom Field Invalid Type Column During updateing a custom field value via PSI in Project Server

This exception specifically occurred when the debug hit the below line of code:

projectSvc.QueueUpdateProject(jobId, sessionId, project, validateOnly);

Cause:

Continue reading Custom Field Invalid Type Column using PSI in Project Server
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