I apologise .. The Culprit was the ZoomButton Mod ..These are my Mods i am using
bricklayers-0.8.2
CarryCapacity-VS1.16.0-v0.6.4
StepUp-v1.2.0
DSDebarkedLogs_v1.16.0-1.0.4
hudclock-2.6.0
PlayerCorpse_v1.16.0-pre.8_v1.3.0
SnowCollision-1.0.0
ProspectorInfo-3.1.2
ZoomButton1.2.0 (This was the Culprit ,By changing the Default Key all now works)
Once again a Massive apologies to Copygirl and Tel , as their Great Mods had nothing to do with the problems i was having