HOW TO ACT X25LINK WHEN ERROR come like

wHEN SOMETIME BELOW ERROR CAME ON OMT U CAN FELLOW BELOW PROCEDURE.....
CONFX25LINK:X25LINK=0,OST=ACT; NOT EXEC'D
OST=UNA
ACTIVATION OF X25LINK IS NOT POSSIBLE
REASON : PROTOCOL CONTROLLER TIMEOUT
FOLLOW BELOW PROCEDURE:-
CONFX25LINK:X25LINK=0,OST=MBL;
CONFIOP:IOP=IOPLAU-1,OST=MBL;
DIAGIOP:IOP=IOPLAU-1;

CONFLAU:LAU=1,OST=MBL;
DIAGLAU:LAU=1;

CONIOP:IOP=IOPLAU-1,OST=ACT;
CONFLAU:LAU=1,OST=ACT;
CONFX25LINK:X25LINK=0,OST=ACT;

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