Process completed with exit code 1.

The following actions uses node12 which is deprecated and will be forced to run on node16: microsoft/variable-substitution@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

The following actions use a deprecated Node.js version and will be forced to run on node20: actions/checkout@v3.3.0, actions/setup-dotnet@v3.0.3, microsoft/variable-substitution@v1. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

Dereference of a possibly null reference.