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Running Math 11 (or earlier) under Mac Mojave (10.14.5) from the command line, as soon as I display graphics I get a series of errors that look like this:

/BuildRoot/Library/Caches/com.apple.xbs/Sources/AppleFSCompression/AppleFSCompression-96.200.3/Common/ChunkCompression.cpp:49: Error: unsupported compressor 8

Seems to run fine nevertheless, but what are these errors? How to fix / suppress them?

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  • $\begingroup$ Please give precise instructions on how to reproduce the problem. $\endgroup$ – Szabolcs May 18 at 20:09
  • $\begingroup$ I assume it is enough to start the kernel in command line mode and evaluate UsingFrontEnd[1]? I've seen this with macOS 10.13 as well. I did not notice ill effects, but I do not know what causes it. Did you ever try to apply file system compression to Mathematica? $\endgroup$ – Szabolcs May 18 at 20:11
  • $\begingroup$ To reproduce the problem, open the math kernel on the command line in Terminal under Mojave and then execute, for example, Plot[x^2,{x,-1,1}]. The math kernel is the executable /Applications/Mathematica*/Contents/MacOS/MathKernel. Yes, executing UsingFrontEnd[1] gives the same errors. The problem started after upgrading to Mojave (no change was made to my Mathematica installation). $\endgroup$ – edgeloss May 19 at 21:39

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