EZYXW05E

XIO: fatal IO error number1 (string1) on X Server "string2"
  after number2 requests (number3 known processed) with number4  
events remaining.
Explanation
The connection to the server has been broken.  The reported error
is number1 with a descriptive string string1.  String2 identifies
the server being used.

System action
The application is ended.

Operator response
Try to restart the application.

System programmer response
None.

Module
XlibInt.c

Procedure name
_XDefaultIOError 