Error: array_map(): Argument #2 ($array) must be of type array, null given

• /srv/code/openfun.app/budgetdata/controllers/BudgetProposalController.php:61
• /srv/code/openfun.app/budgetdata/controllers/BudgetProposalController.php:61
• /srv/code/openfun.app/budgetdata/controllers/BudgetProposalController.php:24
• /srv/code/openfun.app/budgetdata/mini-engine.php:290
• /srv/code/openfun.app/budgetdata/mini-engine.php:254
• /srv/code/openfun.app/budgetdata/index.php:4