Error 37000

SQ074: Line 1: SP030: SPARQL compiler, line 1: syntax error at '<' before 'http:' at ';' immediately before end of statement
in
exec:(BIF),
        __01 => 'sparql  define sql:gs-app-callback "VAL_SPARQL_PERMS" define sql:gs-app-uid "nobody" define get:enfo' (truncated),
        __02 => NULL,
        __03 => NULL,
        __04 => (ARRAY_OF_POINTER value, tag 193),
        __05 => 0,
        __06 => 0,
        __07 => 0,
WS.WS./DAV/VAD/fct/rdfdesc/description.vsp:428,
        path => (ARRAY_OF_POINTER value, tag 193),
      params => (ARRAY_OF_POINTER value, tag 193),
       lines => (ARRAY_OF_POINTER value, tag 193),
signal:(BIF),
        __01 => '37000',
        __02 => 'SQ074: Line 1: SP030: SPARQL compiler, line 1: syntax error at '<' before 'http:' at ';' immediately' (truncated),
WS.WS.GET([executable]/dav.sql:2959),
        path => (ARRAY_OF_POINTER value, tag 193),
      params => (ARRAY_OF_POINTER value, tag 193),
       lines => (ARRAY_OF_POINTER value, tag 193)