What does this mean? This occurs in a jupyter notebook when I try to use a local package added to my packages with Pkg.develop(). I do using mypkg and the result is: SYSTEM: caught exception of type :MethodError while trying to print a failed Task notice; giving up What’s weird is that the pack…

That’s an IJulia bug: error message displayed when precompiling a package opened 07:41PM - 23 Nov 25 UTC (UTC) [image] matthias314 This happens whenev…

Any idea how to stop it? Build a new kernelspec?

Well it’s an open issue, I haven’t looked into it but I think your options are: Ignore and wait for it to be fixed; make a PR to IJulia fixing it; or revert to an older IJulia (and presumably Julia) version that predates the bug.

Another mystery in IJulia

General Usage

nilshg January 14, 2026, 8:50am 4

Well it’s an open issue, I haven’t looked into it but I think your options are:

Ignore and wait for it to be fixed;
make a PR to IJulia fixing it; or
revert to an older IJulia (and presumably Julia) version that predates the bug.

Jupyter crashes when using PyPlot and Julia 1.12

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IJulia notebook, local Pkg activate, julia-1.7.0 FAILures General Usage	3	635	December 4, 2021
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Precompile weirdness with my first package General Usage package , first-steps	4	737	February 12, 2019
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Another mystery in IJulia

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