Could not write to rrdcached issue

[kevinreniers]

17:28:26.703 §[2022-02-21T17:28:26.684386+01:00] php.WARNING: Warning: stream_socket_client(): unable to connect to tcp://storage02:42217 (Connection refused) {"exception":"[object] (ErrorException(code: 0): Warning: stream_socket_client(): unable to connect to tcp://storage02:42217 (Connection refused) at /opt/fireping/src/Storage/RrdCachedStorage.php:35)"} []
17:28:26.704 §[2022-02-21T17:28:26.684530+01:00] php.WARNING: Warning: stream_set_timeout() expects parameter 1 to be resource, bool given {"exception":"[object] (ErrorException(code: 0): Warning: stream_set_timeout() expects parameter 1 to be resource, bool given at /opt/fireping/src/Storage/RrdCachedStorage.php:36)"} []
17:28:26.704 §[2022-02-21T17:28:26.684621+01:00] php.WARNING: Warning: fwrite() expects parameter 1 to be resource, bool given {"exception":"[object] (ErrorException(code: 0): Warning: fwrite() expects parameter 1 to be resource, bool given at /opt/fireping/src/Storage/RrdCachedStorage.php:42)"} []
17:28:26.706 §[2022-02-21T17:28:26.684743+01:00] app.ERROR: Could not write to rrdcached /opt/fireping/src/Storage/RrdCachedStorage.php:43 [] []