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)