Ok the problem is related to the http_get_result() function. If the string passed is to small it will cause this error.

Workaround:
Pass a string that is big enough for the data by replacing this part of the template:
Code:
STRING* httpResult = str_create("#10");
			var length = http_get_result(httpId, httpResult);
			if(length > 9)
			{
				str_remove(httpResult);
				httpResult = str_create(str_printf(NULL, "#%d", (long)length + 1));
				http_get_result(httpId, httpResult);
			}


With this one:
Code:
STRING* httpResult = str_create("#100");
			var length = http_get_result(httpId, httpResult);


This is how I will fix the bug:
http_get_result() will create and return a string, so it's not required to pass a string anymore. But the release of the new version will take some time (sorry).

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