Read the notes for the TWS_MAJOR_VRSN variable in twsstartmacos.sh. It says this:

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#?? TWS_MAJOR_VRSN

#

#???? Specifies the major version number of TWS to be run. If you are

#???? unsure of which version number to use, run TWS manually from the

#???? icon on the desktop, then click Help > About Trader Workstation. In the

#???? displayed information you'll see a line similar to this:

#

#?????? Build 10.19.1f, Oct 28, 2022 3:03:08 PM

#

#???? The major version number is 10.19. (Note that this is different from

#???? the equivalent Windows and Linux settings because the macOS installer

#???? includes the period in the install folder name).

#

#???? Do not include the rest of the version number in this setting.

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But you appear to have:

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TWS_MAJOR_VRSN=1019

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Richard

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