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…

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

lewis January 13, 2026, 9:28pm 3

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

Topic		Replies	Views
IJulia notebook, local Pkg activate, julia-1.7.0 FAILures General Usage	3	654	December 4, 2021
Precompilation for almost every package that I use even though I used that package before General Usage precompilation	5	517	June 28, 2025
Creating Packages tutorial: Precompile error General Usage	3	202	February 14, 2026
Precompile weirdness with my first package General Usage package , first-steps	4	769	February 12, 2019
Trying to find out how pkg environment works New to Julia question , environment	2	468	April 21, 2021

Another mystery in IJulia

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