enum EJsonApiErrorSource

Name	Value
`ETJSON_UNKNOWN`		invalid code
`ETJSON_OK`		all fine
`ETJSON_COMMSEND`		error during send
`ETJSON_COMMRECV`		error during receive
`ETJSON_PARSERERROR`		error during parsing
`ETJSON_PACKNOSTART`		error - cannot start packing (invalid state)
`ETJSON_TIMEOUT`		failed to send/ store handle due to timeout
`ETJSON_NOBUFFERS`		not enough buffers available
`ETJSON_FAILFILELOAD`		failed to load file
`ETJSON_FAILFILESAVE`		failed to save file
`ETJSON_NOTARRAY`		object is not array (ie. attempt to provide different or none object as array)