Upgrading Drupal

Hello,

After Upgrading From Drupal 8.6 to 8.7, I am unable to attach files to nodes while already uploaded files works well. The error message I get when I try uploading is :

Hello,

I am getting this error after upgrading from Drupal 8.6 to Drupal 8.7

TypeError: Argument 3 passed to Drupal\views\EntityViewsData::mapFieldDefinition() must implement interface Drupal\Core\Field\FieldDefinitionInterface, null given,

While on dev site things went very well, on prod, this happen.

Any Idea ?

Thank you.

All my websites cannot be edited after the update to 8.7.2 because drupal always tells me at EVERY listbox in every content type:

“The value you selected is not a valid choice.”

Even if I do not change the page and only click on save again this error is showing up.

Value of the Listboxes look like this:

1|text for the listbox

Please help. I do not know what to do.

There is no error showing up in the reporting area.

In the last drupal's updates I get an database's error after running 'drush updatedb'.

I found some relevant posts in google, however can not figure out how to work it out.

At the moment, I am not facing with any issue, however still need to fix it.. Here error output:

Hello team,

I have installed Acquia Dev Desktop with Drupal version of 8.7.1. Now there is a new release of Drupal 8.7.2. I tried searching by did not get a clear answer for my doubt. Can you guys help/guide me with the necessary steps for upgrading the newer version of Drupal as soon as possible?

Regards,

Lowes_admin

I wanted to import view from drupal 7 to drupal 8. So I used  "view migration"  module in  drupal 7 . Thus  YML file was generated from view migration module.

When I tried to import  .yml in drupal 8 then  it didn't happen . Error log shows below message: