It seems AWS now generates a new parameter in task definition JSON automatically.
The new parameter in task definition:
<span>"enableFaultInjection"</span><span>:</span> <span>false</span><span>,</span>
Error in the pipeline:
<span><span>✖ ECS task definition parameter validation error: </span></span>
<span><span>Parameter validation failed:</span></span>
<span><span>Unknown parameter in input: "enableFaultInjection", must be one of: family, taskRoleArn, executionRoleArn, networkMode, containerDefinitions, volumes, placementConstraints, requiresCompatibilities, cpu, memory, tags, pidMode, ipcMode, proxyConfiguration, inferenceAccelerators, ephemeralStorage, runtimePlatform</span></span>