A databricks job failed unexpectedly with below error. There ware only 5 jobs running at that time and no major operations. what could be the root cause and how can we avoid this in future

Cluster '0331-xxxxxx-zs8i8pcn' was terminated. Reason: INIT_SCRIPT_FAILURE (CLIENT_ERROR). Parameters: instance_id:i-097022eeexxxxx7, databricks_error_message:REQUEST_LIMIT_EXCEEDED: Your workspace(xxxxxxx10399) is sending too many requests..