every time I try to run the construction kit I get this error

FORM:chunk size 8204 too big in chunk HEDR_ID in form TES4_ID (FF202020)
Max size is 12,data trunctated to "x￡p?r |-Y".

Looks like you have a malformed plugin in your Data directory. Find out which by elimination, load it into the CK and resave it.