Documents pour Auteur = Souleymane Gassama, El Hadj (dit Elgas)

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Fatal error: Wrong SQL: SELECT num, date, amj, hms ,auteur, url, stit, titre, sstit, tres, page, cote, resume, journal, remarque, fn, cit, type, lang, comment, statut, fonds, frg, urlorg, url1, url2, trad, class, declass, fsize, datent, datcor, datwww, orig, extract, pdfpages, abstract, tabs, tz, commeng, neg, trait, mcl, auteurs, nomcit, lieucit FROM doc WHERE auteur LIKE 'Souleymane Gassama, El Hadj (dit Elgas)%' OR JSON_SEARCH(auteurs, 'ONE', 'Souleymane Gassama, El Hadj (dit Elgas)%') IS NOT NULL ORDER BY amj Error: Invalid JSON text in argument 1 to function json_search: "The document is empty." at position 0. in /home/francegezv/www/fgtshowresult.php on line 23