[0] Subsequent variable declarations must have the same type. Variable '[Symbol.toStringTag]' must be of type 'string', but here has type '"JSON"'.
[0]
[0] [at-loader] node_modules\typescript\lib\lib.es2015.symbol.wellknown.d.ts:146:14
[0] All declarations of '[Symbol.toStringTag]' must have identical modifiers.
[0]
[0] [at-loader] node_modules\typescript\lib\lib.es2015.symbol.wellknown.d.ts:165:14
[0] Subsequent variable declarations must have the same type. Variable '[Symbol.toStringTag]' must be of type 'string', but here has type '"Math"'.
[0]
[0] [at-loader] node_modules\typescript\lib\lib.es2015.symbol.wellknown.d.ts:165:14
[0] All declarations of '[Symbol.toStringTag]' must have identical modifiers.
please help me this my app problem
my app angular2 version 2.4.1
[0] Subsequent variable declarations must have the same type. Variable '[Symbol.toStringTag]' must be of type 'string', but here has type '"JSON"'. [0] [0] [at-loader] node_modules\typescript\lib\lib.es2015.symbol.wellknown.d.ts:146:14 [0] All declarations of '[Symbol.toStringTag]' must have identical modifiers. [0] [0] [at-loader] node_modules\typescript\lib\lib.es2015.symbol.wellknown.d.ts:165:14 [0] Subsequent variable declarations must have the same type. Variable '[Symbol.toStringTag]' must be of type 'string', but here has type '"Math"'. [0] [0] [at-loader] node_modules\typescript\lib\lib.es2015.symbol.wellknown.d.ts:165:14 [0] All declarations of '[Symbol.toStringTag]' must have identical modifiers.