Adding new map in OpenLayers Error!

Can't add a new map, any ideas how to fix this?
Exception: Projection 900913 lacks an authority code. Read http://drupal.org/node/1944074 for hints. in openlayers_get_projection_by_identifier() (line 996 of /hermes/waloraweb013/b1720/pow.audiomazcom/htdocs/pesca/sites/all/modules/openlayers/openlayers.module