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Find All References / Find (ctrl+F) .NET exception

Hi,

While this behaviour was not encoutered during the previous days, I suddenly got the following error when I tried to find all references of a variable throughout the program or simply search by name within the task:

In the first case:
Console output shows:
RobotStudio .NET exception: C0048416 : The URL used to initialize the helper does not resolve to a valid object.
GetModuleText /RAPID/T_ROB1/BASE
ERROR: C:\BUILDAGENTS\SEABB-IS-13906.3\_work\12\s\Areas\RobApi\Components\RobDomainHooks\rdh_rapid.cpp[6033]: org_code: -550 new_code: 0xc0048416; 

In the second case:
RobotStudio .NET exception: C004FFFF : SYS_CTRL_E_UNEXPECTED
ERROR: C:\BUILDAGENTS\SEABB-IS-13906.3\_work\12\s\Areas\RobApi\Components\RobDomainHooks\rdh_rapid.cpp[6137]: org_code: -1 new_code: 0xc004ffff; 

I tried to restart the controller or even restart robotstudio but it still remains.

Any idea how to fix this quite annoying problem ?