Error when I try to use multiselect

[kalyanakannan]

console error:

?g=js1:formatted:4280 Error: [$parse:syntax] Syntax Error: Token ':' not a primary expression at column 1 of the expression [::texts.selectGroup] starting at [::texts.selectGroup]. http://errors.angularjs.org/1.2.26/$parse/syntax?p0=%3A&p1=not%20a%20primary%20expression&p2=1&p3=%3A%3Atexts.selectGroup&p4=%3A%3Atexts.selectGroup at ?g=js1:formatted:34 at Parser.throwError (?g=js1:formatted:4704) at Parser.primary (?g=js1:formatted:4681) at Parser.unary (?g=js1:formatted:4902) at Parser.multiplicative (?g=js1:formatted:4886) at Parser.additive (?g=js1:formatted:4878) at Parser.relational (?g=js1:formatted:4870) at Parser.equality (?g=js1:formatted:4862) at Parser.logicalAND (?g=js1:formatted:4854) at Parser.logicalOR (?g=js1:formatted:4843)