diff --git a/core/modules/modDeclarationTVA.class.php b/core/modules/modDeclarationTVA.class.php
index 1300c95..1361d5a 100644
--- a/core/modules/modDeclarationTVA.class.php
+++ b/core/modules/modDeclarationTVA.class.php
@@ -472,10 +472,31 @@ class modDeclarationTVA extends DolibarrModules
 		global $conf, $langs;
 
 		// Create tables of module at module activation
-		//$result = $this->_load_tables('/install/mysql/', 'declarationtva');
-		$result = $this->_load_tables('/custom/declarationtva/sql/');
+		// Try different paths to find the SQL files
+		$sql_paths = array(
+			'/custom/declarationtva/sql/',
+			'/declarationtva/sql/',
+			'/install/mysql/'
+		);
+		
+		$result = -1;
+		foreach ($sql_paths as $path) {
+			dol_syslog("DeclarationTVA: Trying SQL path: " . $path, LOG_INFO);
+			$result = $this->_load_tables($path);
+			dol_syslog("DeclarationTVA: SQL loading result for $path: " . $result, LOG_INFO);
+			if ($result >= 0) {
+				dol_syslog("DeclarationTVA: SQL loading successful with path: " . $path, LOG_INFO);
+				break;
+			}
+		}
+		
 		if ($result < 0) {
-			return -1; // Do not activate module if error 'not allowed' returned when loading module SQL queries (the _load_table run sql with run_sql with the error allowed parameter set to 'default')
+			dol_syslog("DeclarationTVA: All SQL loading attempts failed, trying manual table creation", LOG_WARNING);
+			$manual_result = $this->_create_tables_manually();
+			if ($manual_result < 0) {
+				dol_syslog("DeclarationTVA: Manual table creation also failed", LOG_ERR);
+				return -1;
+			}
 		}
 		
 		// Run migration to fix account mappings table structure
@@ -604,4 +625,58 @@ class modDeclarationTVA extends DolibarrModules
 		dol_syslog("DeclarationTVA: Migration completed successfully", LOG_INFO);
 		return 1;
 	}
+	
+	/**
+	 * Manually create tables if SQL file loading fails
+	 *
+	 * @return int 1 if OK, -1 if KO
+	 */
+	private function _create_tables_manually()
+	{
+		global $conf;
+		
+		dol_syslog("DeclarationTVA: Creating tables manually", LOG_INFO);
+		
+		// Create account mappings table
+		$sql = "CREATE TABLE IF NOT EXISTS `" . MAIN_DB_PREFIX . "declarationtva_account_mappings` (
+			`rowid` int(11) NOT NULL AUTO_INCREMENT,
+			`entity` int(11) NOT NULL DEFAULT 1,
+			`ca3_line` varchar(8) NOT NULL COMMENT 'A1, A2, A3, A4, A5, 08, 09, 9B, 17, 20, 21, 22, 25, 26, 28, 29',
+			`account_code` varchar(32) NOT NULL COMMENT 'PCG account code',
+			`account_label` varchar(255) DEFAULT NULL,
+			`vat_rate` decimal(5,2) DEFAULT NULL,
+			`is_active` tinyint(1) DEFAULT 1,
+			`created_date` datetime DEFAULT NULL,
+			PRIMARY KEY (`rowid`),
+			UNIQUE KEY `uk_mapping_entity_line_account` (`entity`, `ca3_line`, `account_code`),
+			KEY `idx_ca3_line` (`ca3_line`),
+			KEY `idx_account_code` (`account_code`)
+		) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci";
+		
+		$result = $this->db->query($sql);
+		if (!$result) {
+			dol_syslog("DeclarationTVA: Failed to create account_mappings table: " . $this->db->lasterror(), LOG_ERR);
+			return -1;
+		}
+		
+		// Create config table
+		$sql = "CREATE TABLE IF NOT EXISTS `" . MAIN_DB_PREFIX . "declarationtva_config` (
+			`rowid` int(11) NOT NULL AUTO_INCREMENT,
+			`entity` int(11) NOT NULL DEFAULT 1,
+			`config_key` varchar(64) NOT NULL,
+			`config_value` text,
+			`created_date` datetime DEFAULT NULL,
+			PRIMARY KEY (`rowid`),
+			UNIQUE KEY `uk_config_entity_key` (`entity`, `config_key`)
+		) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci";
+		
+		$result = $this->db->query($sql);
+		if (!$result) {
+			dol_syslog("DeclarationTVA: Failed to create config table: " . $this->db->lasterror(), LOG_ERR);
+			return -1;
+		}
+		
+		dol_syslog("DeclarationTVA: Manual table creation completed successfully", LOG_INFO);
+		return 1;
+	}
 }