I humbly want to request for possible solution around the aforementioned title.
I had difficult in launching CoppeliaSim 4.1.0 on my Ubuntu 18.04 due to expiration of the version. However, after downloading the recent version (CoppeliaSim V4.2.0 rev5 for Ubuntu 18.04.), I got the error attached below with no clue of ways around it. Please kindly assist.
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[CoppeliaSimClient] loading the CoppeliaSim library...
Could not find function simSetBoolParam
[CoppeliaSimClient] could not find all required functions in the CoppeliaSim library.
[CoppeliaSimClient] unloading the CoppeliaSim library...
[CoppeliaSimClient] done.
please have a look at this topic regarding CoppeliaSim version 4.1.0 expiring..
Regarding your problem with CoppeliaSim V4.2.0: are you using a custom version of the client application? If not, try to download CoppeliaSim V4.2.0 again, and see if the problem persists.