Hi Ashish Akolkar , 

Please check blow link it will help you .

https://www.outsystems.com/forums/discussion/77221/a-problem-has-occurred-while-publishing-theapplication/#:~:text=https://success.outsystems.com/Support/Enterprise_Customers/Licensing/Intellectual_Property_Protection_(IPP)/What_is_IPP_(Intellectual_Property_Protection)

Thanks 

Arif

Hello @Ashish Akolkar ,

I've shared some more discussion threads regarding this issue. It might be resolved by restarting the deployment controller service. Please check out the mentioned links

1. https://www.outsystems.com/forums/discussion/81678/error-installing-a-forge-app-application-is-already-being-published-outsystems/
2. https://www.outsystems.com/forums/discussion/82211/error-application-lock-unavailable-when-install-forge-component/
3. https://www.outsystems.com/forums/discussion/87779/how-to-solve-a-problem-has-occurred-while-publishing-the-application/

As per my understanding, this is not related to the IPP issue.

With regards,

Muthuraja