DLPS Error Page

While searching in Films an error occurred:

XPat Error: syntax error before: lFAflevering) incl ("op -2957016rift%201946" + "op 134529287rift%201946<"))) The label hitssearch is undefined. syntax error before: h)

Query: hitssearch = ((region A) incl ((Titel%2FAflevering) incl ("op%20drift%20%201946%20 " + "op%20drift%20%201946%20<"))); mainsearch = (region A incl *hitssearch);