problem with sangoma card in vicidial

hello there,
facing a great problem...sangoma E1 card is not intigrating with vicidial this error comes
""loading zaptel hardware modules, running ztcfg ,zt_chanconfig failed on channel 1, no such device or address (6)""
can any one give any idea why this is happening??
plz//
thanx
facing a great problem...sangoma E1 card is not intigrating with vicidial this error comes
""loading zaptel hardware modules, running ztcfg ,zt_chanconfig failed on channel 1, no such device or address (6)""
can any one give any idea why this is happening??
plz//
thanx