Title: Undefined variable $data
Last modified: December 22, 2024

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# Undefined variable $data

 *  Resolved [raskallen](https://wordpress.org/support/users/raskallen/)
 * (@raskallen)
 * [1 year, 5 months ago](https://wordpress.org/support/topic/undefined-variable-data-2/)
 * Vet ikke helt når dette oppstod, men en kunde gjorde oss oppmerksom på dette 
   i dag. Vi logger inn, får opp tallkoden i Vipps og etter at vi trykker på den
   i appen, så kommer følgende warnings og vi kommer ikke videre.
 * Trenger sårt hjelp til å finne ut av dette da jeg ikke er noen utvikler (men 
   har god erfaring med wordpress).
 * PS! Vi har auto-update på alt og har ikke gjort noen manuelle endringer på siten
   på meget lang tid.
 * Warning: Undefined variable $data in /home/6/r/retropeden/www/wp-content/plugins/
   login-with-vipps/VippsLogin.class.php on line 944
 * Warning: Cannot modify header information – headers already sent by (output started
   at /home/6/r/retropeden/www/wp-content/plugins/login-with-vipps/VippsLogin.class.
   php:944) in /home/6/r/retropeden/www/wp-includes/pluggable.php on line 1093
 * Warning: Cannot modify header information – headers already sent by (output started
   at /home/6/r/retropeden/www/wp-content/plugins/login-with-vipps/VippsLogin.class.
   php:944) in /home/6/r/retropeden/www/wp-includes/pluggable.php on line 1094
 * Warning: Cannot modify header information – headers already sent by (output started
   at /home/6/r/retropeden/www/wp-content/plugins/login-with-vipps/VippsLogin.class.
   php:944) in /home/6/r/retropeden/www/wp-includes/pluggable.php on line 1095
 * Warning: Cannot modify header information – headers already sent by (output started
   at /home/6/r/retropeden/www/wp-content/plugins/login-with-vipps/VippsLogin.class.
   php:944) in /home/6/r/retropeden/www/wp-content/plugins/login-with-vipps/VippsLogin.
   class.php on line 273
 * Warning: Cannot modify header information – headers already sent by (output started
   at /home/6/r/retropeden/www/wp-content/plugins/login-with-vipps/VippsLogin.class.
   php:944) in /home/6/r/retropeden/www/wp-includes/pluggable.php on line 1435
 * Warning: Cannot modify header information – headers already sent by (output started
   at /home/6/r/retropeden/www/wp-content/plugins/login-with-vipps/VippsLogin.class.
   php:944) in /home/6/r/retropeden/www/wp-includes/pluggable.php on line 1438
    -  This topic was modified 1 year, 5 months ago by [raskallen](https://wordpress.org/support/users/raskallen/).
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fundefined-variable-data-2%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 3 replies - 1 through 3 (of 3 total)

 *  Plugin Author [Iver Odin Kvello](https://wordpress.org/support/users/iverok/)
 * (@iverok)
 * [1 year, 5 months ago](https://wordpress.org/support/topic/undefined-variable-data-2/#post-18213241)
 * Hei,
 * Dere har kanskje skrudd på WP_DEBUG nylig? Dere har funnet en feil her, men den
   har vært der svært lenge og skulle strengt tatt ikke ført til noen problemer 
   uten at WP_DEBUG er på.
 * Den konkrete feilen er ihvertfall reparert i versjon 1.3.6 som nettopp er ute.
 *  Thread Starter [raskallen](https://wordpress.org/support/users/raskallen/)
 * (@raskallen)
 * [1 year, 5 months ago](https://wordpress.org/support/topic/undefined-variable-data-2/#post-18213557)
 * Så vidt jeg kan se er ikke WP_DEBUG skrudd på i wp_config.php. Jeg ser at det
   i “default-constans.php” skrus på WP_DEBUG hvis siten er i “development mode”,
   men det skal den heller ikke være. Siten har vært i drift urørt av menneskehender
   siden september 2022. Bare automatiske oppdateringer av wordpress, woocommerce
   og plugins.
 * Kan så klart hende at Domeneshop har gjort et eller annet, men tviler vel på 
   at de rører kundenes wordpress-installasjoner med mindre det er tvingende nødvendig.
 * Jeg satte PHP i debug-mode i går, men det var etter å ha oppdaget feilen.
 * Men jeg kan bekrefte at problemet er løst nå. Takk for hjelp og svar. 🙂
 *  Plugin Author [Iver Odin Kvello](https://wordpress.org/support/users/iverok/)
 * (@iverok)
 * [1 year, 5 months ago](https://wordpress.org/support/topic/undefined-variable-data-2/#post-18213564)
 * Ok, fint! Selve feilen har vært der en god stund før 2022, så takk for feilmeldingen.

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘Undefined variable $data’ is closed to new replies.

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 * 3 replies
 * 2 participants
 * Last reply from: [Iver Odin Kvello](https://wordpress.org/support/users/iverok/)
 * Last activity: [1 year, 5 months ago](https://wordpress.org/support/topic/undefined-variable-data-2/#post-18213564)
 * Status: resolved