Docker build failed with exit code 1

The template is not valid. .github/workflows/generate_certificate.yaml (Line: 41, Col: 28): Error reading JToken from JsonReader. Path '', line 0, position 0.,.github/workflows/generate_certificate.yaml (Line: 47, Col: 21): Error reading JToken from JsonReader. Path '', line 0, position 0.,.github/workflows/generate_certificate.yaml (Line: 48, Col: 20): Error reading JToken from JsonReader. Path '', line 0, position 0.

Docker build failed with exit code 1, back off 2.617 seconds before retry.