I need help seriously

Ive had Garrys mod for atlease 2 months now and I was building earlier today and I used alot og parts and then used the duplicator…Now it wont open when ever it launches it pops up error 1 masterpipe has no connection I dont know what to do Please help me!

Provide a working link to your account, delete clientregistry.blob, etc.

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Also, make sure you’re using the SVN versions.