Refs #11998 - more specific error message if function not found

extension/Classes/Core/Database/Database.php

@@ -1139,7 +1139,7 @@ class Database {
         $dbT3 = $this->store->getVar(SYSTEM_DB_NAME_T3, STORE_SYSTEM);
         $sql = "SELECT * FROM `$dbT3`.`tt_content` WHERE `$column` = ?";
 
-        $arr = $this->sql($sql, ROW_EXPECT_1, [$uid]);
+        $arr = $this->sql($sql, ROW_EXPECT_1, [$uid], 'Function "' . $column . '=' . $uid . '" not found or more than one found.');
         return ($arr);
     }
 }
\ No newline at end of file

extension/Classes/Core/Report/Report.php

@@ -461,9 +461,12 @@ class Report {
 
         // Get tt_content record bodytext
         if (isset($functionCache[$rcFunctionName])) {
+            // Already cached: get it from cache
             $bodytextArr = $functionCache[$rcFunctionName];
         } else {
+            // Multi DB setup: check for the correct DB
             if (DB_INDEX_T3 != $this->db->getDbIndex()) {
+                // Current DB is wrong: get DB with DB_INDEX_T3
                 $db = new Database(DB_INDEX_T3);
             } else {
                 $db = $this->db;