3830480 - Error in logs: ''Invalid number; 9-103-1504; Home phone and work phone must be in range between 6 to 17 characters''

When booking EasyJet via Travelfusion, the following error appears:

"We're Sorry…
We encountered an issue that prevented us from completing your request. We have encountered an internal error and are unable to complete this request. Please contact your company administrator to report this error, and contact your travel agency if you need immediate assistance with this reservation." 

The telephone number length must be in a range between 6 to 17 characters (including space and the country code) , KBA , CON-CA-USP , User Profile , Problem