The XML error messages

No application id found:

<Error> The following errors were detected: <Message>no appid in url</Message> </Error>

Invalid Application ID

<Error> The following errors were detected: <Message>application id not valid</Message> </Error>

Sort field not correctly defined:

<Error> The following errors were detected: <Message>sort field error</Message> </Error>

Start field is not an integer

<Error> The following errors were detected: <Message>start field not integer</Message> </Error>

Format field not correctly defined

<Error> The following errors were detected: <Message>format field error</Message> </Error>

Results field not correctly defined

<Error> The following errors were detected: <Message>results field error</Message> </Error>

Searchsource not properly defined as all or title

<Error> The following errors were detected: <Message>searchsource error - must be all or title</Message> </Error>

Rate Limit Exceeded

<Error> The following errors were detected: <Message>search limit exceeded</Message> </Error>