I was normally using Select2 with Bootstrap, without any errors on the console. The Head looked like this:
WhenIputDataTables,Istartedtogetthiserror: 
Andhowistheheadwhenitgavethiserror:
IdidnotevenuseDataTables,itonlyincludesthelinksinthehead.WhenIwithdrawit,theerrorstopsappearing.DoingasearchIsawthatthismightberelatedtojQuerybeingincludedmorethanonce.Ifthisismycase,howdoIsolveit?BecauseItriedtogetthejqueryfromtheheadbutitgivesthiserror: 
Can anyone help solve this problem?