Can't deploy with master branch: "Cannot read property 'endsWith' of null"

Can't deploy with master branch: "Cannot read property 'endsWith' of null": a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). Installed from master branch (needed to pull in https://github.com/serverless/serverless/pull/2014), and serverless deploy no longer works. I…

The task

Installed from master branch (needed to pull in https://github.com/serverless/serverless/pull/2014), and `serverless deploy` no longer works. I get the error "Cannot read property 'endsWith' of null".

Part of FineEnvs/MiMo-V2.6-RL-harbor-code.