Unable to load with current (1.0.3) version.
Error message:
The mod Quality upgrade planner (1.0.3) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event quality-upgrade-planner::on_configuration_changed
LuaQualityPrototype doesn't contain key color.
stack traceback:
[C]: in function 'index'
__quality-upgrade-planner/control.lua:34: in function <quality-upgrade-planner/control.lua:8>

fixed by https://github.com/Quezler/glutenfree/commit/8f9184bf6ea02ded0b50e20ff0f8c838320ad645

this version of the mod requires at least 2.0.13, and i accidentally set it to 1.0.13, 2.0.12 has no color on the quality prototype yet, so downgrade.

same:

[C]: in function '__index'
__quality-upgrade-planner__/control.lua:34: in function <__quality-upgrade-planner__/control.lua:8>

good thing there is already a solution for that issue right above it