layout: global title: UNSUPPORTED_GENERATOR error class displayTitle: UNSUPPORTED_GENERATOR error class license: | Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
The generator is not supported:
This error class has the following derived error classes:
only one generator allowed per <clause> clause but found <num>: <generators>.
nested in expressions <expression>.
<functionName> is expected to be a generator. However, its class is <classCanonicalName>, which is not a generator.
outside the SELECT clause, found: <plan>.