My tbb updated today to version 8.0 and refused to launch with an Error: 127. Same error code I got when I had this problem with too many entries in $XDG_CONFIG_DIRS, even though that is not my current problem (I only have six entries there).
I have tried with all available tbb versions, and this happens on all versions 8.0 and higher.
Here is some output:
Something interesting here: