SIM900 throws error after resetting and re-connecting.

in the above log from the example it looks like that the response string itself handed into JSON.parse is not valid json anymore. It has passages like:

e":"Commander@afitterling.afitterlin­g","data":{"This":"Is a JSON example","Carriots":{"texfitterli
] "+D,0,900:t\":\"str\",\"at\"

So I came to the conclusion the SIM900 mixed it up(?)