This should be clear to me how to fix, but alas....
Exception Message: User does not have a Configuration record and no Configuration record has been set as the Default.
ErrorCode: -2147220956
HexErrorCode: 0x80040224
HelpLink: go.microsoft.com/.../
TraceText:
[FundraisingandEngagement: Plugins.ContactCreate]
[c1c9644b-7ca2-ea11-a812-000d3a0c94a6: Plugins.ContactCreate: Update of contact]
Entered Plugins.ContactCreate.Execute(), Correlation Id: 525bf355-8c52-40d9-b8be-f4a4a7ae9cff, Initiating User: f896c3bf-8f40-ec11-8c60-000d3a5b874d
---------Triggered ContactCreate.cs---------
User does not have a Configuration Record. Retrieving Default Configuration Record
Exception: System.Exception: User does not have a Configuration record and no Configuration record has been set as the Default.
at Plugins.PaymentProcesses.Utilities.GetConfigurationRecordByUser(IExecutionContext context, IOrganizationService service, ITracingService tracingService, ColumnSet columns)
at Plugins.ContactCreate.ExecuteCrmPlugin(LocalPluginContext localContext)
at Plugins.PluginBase.Execute(IServiceProvider serviceProvider), Correlation Id: 525bf355-8c52-40d9-b8be-f4a4a7ae9cff, Initiating User: f896c3bf-8f40-ec11-8c60-000d3a5b874d
Exiting Plugins.ContactCreate.Execute(), Correlation Id: 525bf355-8c52-40d9-b8be-f4a4a7ae9cff, Initiating User: f896c3bf-8f40-ec11-8c60-000d3a5b874d
Activity Id: fab55fc1-6774-4aae-8c0e-11c29f45daa9