New Add New Attribute
Notice: Undefined index: delete in /vendor/magento/module-swatches/Model/Plugin/EavAttribute.php on line 177
Definitely, it is a core bug, because the core should never fall to the E_NOTICE.
What Magento 2 version do you use?
What exactly Magento 2 version do you use?
Same problem here when adding or updating color swatch. Looks like the “delete” array is not complety filled:
Last entries in the value part:
403 =>
array (
1 => ‘black/gold-yellow/white (BLGOYEWH)’,
0 => ‘DA-BLGOYEWH’,
3 => ‘’,
2 => ‘’,
),
271 =>
array (
1 => ‘limette/grau (C234)’,
0 => ‘FA-C234’,
3 => ‘’,
2 => ‘’,
),
),
Last entries in the delete part:
270 => ‘’,
403 => ‘’,
),
Option 271 is missing, so
foreach (array_keys($optionsArray[‘value’]) as $optionId) {
if (i**sset($optionsArray['delete'])**
fails
Solution: increase max_input_vars 
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