Unity 5.6 webgl script error

hello,

i get this error at webgl / webgl facebook. and i dont know where this error comes from. at platform android and windows there i didnt get a error. i have testet 2 browsers internet explorer,and firefox.

at this point where i get the error , im enable a gameobject text wich has text mesh pro insert as component. my version of text mesh pro ist 1.0.55.52 Beta 3 i think newest.

error code i get:

An error occured running the Unity content on this page. See your browser JavaScript console for more info. The error was: uncaught exception: abort(117) at jsStackTrace (webgl.asm.framework.unityweb:2:27460) stackTrace (webgl.asm.framework.unityweb:2:27631) abort (webgl.asm.framework.unityweb:4:35901) Kpp (webgl.asm.code.unityweb:28:1) Mkk (webgl.asm.code.unityweb:8:1) Crj (webgl.asm.code.unityweb:5:1) yjn (webgl.asm.code.unityweb:6:1) qbj (webgl.asm.code.unityweb:5:1) hlp (webgl.asm.code.unityweb:28:1) invoke_viiiiiiffffiii (webgl.asm.framework.unityweb:2:358670) Bln (webgl.asm.code.unityweb:6:1) x7n (webgl.asm.code.unityweb:18:1) T7i (webgl.asm.code.unityweb:5:1) yej (webgl.asm.code.unityweb:5:1) xej (webgl.asm.code.unityweb:5:1) wej (webgl.asm.code.unityweb:5:1) x7n (webgl.asm.code.unityweb:18:1) z5i (webgl.asm.code.unityweb:5:1) y5i (webgl.asm.code.unityweb:5:1) d2k (webgl.asm.code.unityweb:4:1) plp (webgl.asm.code.unityweb:28:1) invoke_iiii (webgl.asm.framework.unityweb:2:360341) Kto (webgl.asm.code.unityweb:18:1) Wwo (webgl.asm.code.unityweb:18:1) nja (webgl.asm.code.unityweb:9:1) lja (webgl.asm.code.unityweb:9:1) z$b (webgl.asm.code.unityweb:10:1) m$b (webgl.asm.code.unityweb:10:1) _sc (webgl.asm.code.unityweb:15:1) Zsc (webgl.asm.code.unityweb:15:1) o7a (webgl.asm.code.unityweb:13:1) Vva (webgl.asm.code.unityweb:9:1) Iva (webgl.asm.code.unityweb:9:1) Nkp (webgl.asm.code.unityweb:28:1) browserIterationFunc (webgl.asm.framework.unityweb:2:47998) runIter (webgl.asm.framework.unityweb:2:51090) Browser_mainLoop_runner (webgl.asm.framework.unityweb:2:49535)

If this abort() is unexpected, build with -s ASSERTIONS=1 which can give more information.

hope somebody can help me.