SOLR 7.6.0 Query Error with Standard Query Parser

<?xml version="1.0" encoding="UTF-8"?>
<response>

<lst name="error">
  <lst name="metadata">
    <str name="error-class">org.apache.solr.common.SolrException</str>
    <str name="root-error-class">org.apache.solr.common.SolrException</str>
  </lst>
  <str name="msg">analyzer returned too many terms for multiTerm term: ac6023</str>
  <int name="code">400</int>
</lst>
</response>