Error code
80040203
Exception message
Attribute Display Name for id: xxxxxxxx, objectcolumn: DisplayName and labelTypeCode: Attribute not specified
I did the same but the issue still seems not to be resolved "editing the model-driven app in the classic interface - removing the only connected business process flow and adding it back, save and republish repaired my solution."
Managed to find a solution, and it's not what you think..
It turns out a residual business process flow that I had deleted many iterations ago using the modern UI somehow lingered around, only to activate with this export somehow and wreak havoc. Needless to say, it was nowhere to be found, since it was deleted.
However, Error code 80040203 Invalid Argument error - Dynamics 365 Sales | Microsoft Docs did give me the idea to go into the legacy admin center and take a look. Surprisingly, I found an orphan BPF I thought I had long deleted.. So I deleted it again. This time, for good.
Unfortunately, this didn't not solve the issue since this BPF was in no way connected to anything in my solution. The real issue is still unbeknownst to me, but thought since legacy interface has helped me out once, it might help me out again.
And indeed, editing the model-driven app in the classic interface - removing the only connected business process flow and adding it back, save and republish repaired my solution. Why? Maybe someone more skilled in D365 can answer that question.
So, the real solution here is really this:
don't expect error messages to tell you where the problem is, instead use them to guide you towards the solution
@gowrihalan04 thanks for the suggestion, I did look at that article and the error log but couldn't find anything meaningful in there. Maybe I need to set aside an hour to properly go through it though.. I'll report back with any findings. Thanks again
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