erreur phpmyadmin

bonjour à tous,

j'ai un serveur web sous debian
lorsque j'exécute une commande mysql sur phpmyadmin, j'obtiens ceci

Code:

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Warning: File upload error - unable to create a temporary file in Unknown on line 0
 
Warning: Cannot add header information - headers already sent by (output started at explode:3) in /usr/share/phpmyadmin/libraries/auth/cookie.auth.lib.php on line 554
 
Warning: Cannot add header information - headers already sent by (output started at explode:3) in /usr/share/phpmyadmin/libraries/auth/cookie.auth.lib.php on line 562
 
Warning: Cannot add header information - headers already sent by (output started at reload:3) in /usr/share/phpmyadmin/libraries/ob.lib.php on line 61
 
Warning: Cannot add header information - headers already sent by (output started at reload:3) in /usr/share/phpmyadmin/libraries/header_http.inc.php on line 14
 
Warning: Cannot add header information - headers already sent by (output started at reload:3) in /usr/share/phpmyadmin/libraries/header_http.inc.php on line 15
 
Warning: Cannot add header information - headers already sent by (output started at reload:3) in /usr/share/phpmyadmin/libraries/header_http.inc.php on line 16
 
Warning: Cannot add header information - headers already sent by (output started at reload:3) in /usr/share/phpmyadmin/libraries/header_http.inc.php on line 17
 
Warning: Cannot add header information - headers already sent by (output started at reload:3) in /usr/share/phpmyadmin/libraries/header_http.inc.php on line 20

je ne voudrais pas faire des modifications qui pourraient avoir de grosses répercutions sur phpmyadmin

aussi je voudrais savoir si vous connaissez ces erreurs et m'indiquer comme faire pour résoudre ce probleme

néanmoins, la requete fonctionne et me donne le résultat souhaité
c juste les warnings si possible de pouvoir les enlever, ça serait bien

merci de votre aide

sunfun