See title... The output message is

   >> System error:
   |error| is not of type SEQUENCE.

• has to be escaped by _. If you enter , you will get all operations (but HyperDoc asks you), entering * yields an error message (but HyperDoc won't crash).

From Fricas:

 --an alist of the form ((kind . ) ...)
   $localLibdb : local := fnameExists? '"libdb.text" and '"libdb.text"
   lines := grepConstruct1(s,key)
+  lines is ['error,:.] => lines
   IFCAR options => grepSplit(lines,key = w)    --leave now if a constructor
   MEMQ(key,(o a)) => dbScreenForDefaultFunctions lines --kill default lines if a/o
   lines