[TASK] Improve exception message for invalid `internal_type`

The exception message now contains the invalid
value as well as the only valid values.

Resolves: #102041
Releases: 11.5
Change-Id: I8ae55d2a56e1a9c16b27d4ed66d15516f716b6ac
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/81324


Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>

typo3/sysext/backend/Classes/Form/FormDataProvider/TcaGroup.php

@@ -148,8 +148,8 @@ class TcaGroup implements FormDataProviderInterface
                 }
             } else {
                 throw new \UnexpectedValueException(
-                    'Invalid TCA internal_type of field "' . $fieldName . '" in table ' . $result['tableName']
-                    . ': Must not be set, or set to "folder".',
+                    'Invalid TCA internal_type "' . $internalType . '" for field "' . $fieldName
+                    . '" of table "' . $result['tableName'] . '". Valid values are "db" (default) and "folder".',
                     1438780511
                 );
             }