语法错误 - 数据库

Syntax Error - Database

谁能告诉我这里的语法错误是什么:

SELECT T.id,T.vmProductID,T.name AS Course,C.title AS Category FROM j25_lms_tests AS T LEFT JOIN j25_lms_categories AS C ON C.id = T.catid WHERE T.published=1 AND T.vmProductID IN() ORDER BY T.ordering

这是脚本的主要代码: 'SELECT T.id,T.vmProductID,T.name AS Course,C.title AS Category FROM #__lms_tests AS T LEFT JOIN #__lms_categories AS C ON C.id = T.catid WHERE T.published=1 AND T.vmProductID IN($vmProductIds) $Catwhere 订购方式 T.ordering";'

谁能告诉我代码有什么问题。

提前致谢

您的IN子句没有值:

T.vmProductID IN()