Reusable (CRUD) component to post data in a TYPO3 system.
Add a table name to the list of allowed records in TCA for the proposal table field record.
Example:
Add a file to your extension to extend tt_content TCA:
Configuration/TCA/Overrides/tt_content.php
\TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addToInsertRecords(
'[your_table_name_here]',
'tx_cpsitproposal_domain_model_proposal',
'record'
);
Replace [your_table_name_here]
with the name of table you need to add.