Checked for existing issues

• I have checked for existing issues, and have found none.

Tested latest version

• I have checked that this occurs on the latest version.

GregTech CEu Version

1.2.3.a

Recipe Viewer Installed

JEI

Environment

Server

Cross-Mod Interaction

Yes

Other Installed Mods

ATM9, V 0.2.60

Expected Behavior

server not crash on startup?

Actual Behavior

https://mclo.gs/CMeazgf
Server crashes on startup with 1.2.3a, with GT multiblocks/machines having contact with AE pattern providers, or Extended AE providers

Steps to Reproduce

Have existing server with AE automated GT, and update GT to 1.2.3a, from previous versions

Additional Information

Mutant has traced this to missing Null checks in these below areas