TYPO3 Exception 1661540376

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TYPO3 [version] - [date of report]

Installation Overview

TYPO3 14.3 with not acitvated extension tt_board and records of it. The routing contains a config.yaml which contains tt_board records:

EXT:tt_board/config.yaml

TtBoardList:
   type: Plugin
   routePath: '/boardl/{uid}'
   namespace: tt_board_list
   aspects:
     uid:
       type: PersistedAliasMapper
       tableName: tt_board
       routeFieldName: slug

The Issue

The front end with speaking url shows this exception:

Warning

#1661540376 TYPO3\CMS\Core\Schema\Exception\UndefinedSchemaException No TCA schema exists for the name "tt_board".

/path/typo3_src-14.3.0/typo3/sysext/core/Classes/Schema/SchemaCollection.php:76:

EXT:tt_board/config.yaml

public function get(string $schemaName): TcaSchema
{
   if (!$this->has($schemaName)) {
       throw new UndefinedSchemaException('No TCA schema exists for the name "' . $schemaName . '".', 1661540376);
   }
   if (str_contains($schemaName, '.')) {
       [$mainSchema, $subSchema] = explode('.', $schemaName, 2);
       return $this->get($mainSchema)->getSubSchema($subSchema);

Solution

Activate the extension tt_board which contains the TCA for the table tt_board.