You can not delete a Connector if its being controlled by a Outlet. or a Outlet if its being Controlled by a Float sensor , Temp probe or anything else..
Example.. Connector 1 Outlet 1 connected to equipment 1,, that is controlled by Float switch ATO LEVEL 1... You must first delete ato level 1.. equipment 1 . then the connector 1..
I have seen this bug. but when it happened to me it was on a TEMP PROBE . There was a looser wire . I did unfortunatly have to refresh the data base.
@Ranjib at some point it would be nice to have either a Auto Database backup,Before it makes changes or the Ability to make manual snap shots from the UI During setting up things.. This is how i do it on my Very Similar designed Estimation Software that is GO Written and runs on a Web server . API DRIVEN..
Thanks Everyone.. Just like the people who make up my business, This project is awesome due to so much Positive input and People working together , Trying to help Tied in by a AWESOME LEADER ....