When I click add block under panel page, I get this error

AjaxError: 
An AJAX HTTP error occurred.
HTTP Result Code: 200
Debugging information follows.
Path: /oasdrupal/admin/structure/panels/page_manager.page/view_application--view_application-panels_variant-0/select_block?region&destination=/oasdrupal/admin/structure/page_manager/manage/view_application/page_variant__view_application-panels_variant-0__content%3Fjs%3Dnojs
StatusText: OK
ResponseText: Error: Call to a member function getVariant() on null in Drupal\panels\Controller\Panels->getCachedValues() (line 39 of /Applications/MAMP/htdocs/oasdrupal/modules/contrib/panels/src/CachedValuesGetterTrait.php).

panel error

CommentFileSizeAuthor
#8 3051870-panels-cache_miss-8.patch823 bytesjmdeleon
#6 panels_tempstore-updated-3031778-51.patch26.5 KBaayush23
#4 Screenshot 2019-05-01 at 9.42.34 AM.png292.54 KBisalmanhaider
Screenshot 2019-05-01 at 9.38.38 AM.png174.8 KBisalmanhaider
Support from Acquia helps fund testing for Drupal Acquia logo

Comments

isalmanhaider created an issue. See original summary.

isalmanhaider’s picture

isalmanhaider CreditAttribution: isalmanhaider as a volunteer commented
Issue summary: View changes
isalmanhaider’s picture

isalmanhaider CreditAttribution: isalmanhaider as a volunteer commented
Issue summary: View changes
isalmanhaider’s picture

isalmanhaider CreditAttribution: isalmanhaider as a volunteer commented
Issue summary: View changes
FileSize
Screenshot 2019-05-01 at 9.42.34 AM.png292.54 KB
Sergiu Stici’s picture

Sergiu Stici CreditAttribution: Sergiu Stici at FFW commented

It is a duplicate issue. See next links:
https://www.drupal.org/project/panels/issues/3031778,
https://www.drupal.org/project/panels/issues/3035790

aayush23’s picture

aayush23 CreditAttribution: aayush23 as a volunteer and at SquintMetrics commented
FileSize
panels_tempstore-updated-3031778-51.patch26.5 KB

Please use this patch.

HarjotMann’s picture

HarjotMann CreditAttribution: HarjotMann commented

How did you fix it? I tried all the solutions but still not working.

jmdeleon’s picture

jmdeleon CreditAttribution: jmdeleon at OpenPlus commented
FileSize
3051870-panels-cache_miss-8.patch823 bytes

Encountered this error also recently working with Panels and Page Manager. Created a patch that resolved the error messages from appearing.

jmdeleon’s picture

jmdeleon CreditAttribution: jmdeleon at OpenPlus commented
Status: Active » Needs review
jmdeleon’s picture

jmdeleon CreditAttribution: jmdeleon at OpenPlus commented
Priority: Critical » Normal

Also waving down the severity of this to Normal.