DSE Search - nodetool cleanup fails with syntax error

Question

I added a new node to my DSE Search cluster and tried to run nodetool cleanup after both nodes were up and joined to the cluster. However I get an error. Here's the top of the stack trace. Any ideas what caused this error? I don't know where to begin to repair this. Corrupt core?

Exception in thread Thread[CompactionExecutor:8,1,main]
  java.lang.IllegalStateException: org.apache.solr.common.SolrException: 
  org.apache.solr.search.SyntaxError: Cannot parse 'brand_id_internal:7333
  AND event_type:CB AND category_id: AND specific_id:E': Encountered " 
  <AND> "AND "" at line 1, column 58.
Was expecting one of:
  <BAREOPER> ...
  "(" ...
  "*" ...
  <QUOTED> ...
  <TERM> ...
  <PREFIXTERM> ...
  <WILDTERM> ...
  <REGEXPTERM> ...
  "[" ...
  "{" ...
  <LPARAMS> ...
  <NUMBER> ...

The remainder of the stack trace is in a gist here

Answer 1

Based on the SyntaxError string, I found the solr core that was causing the problem. I unloaded the core using dsetool unload_core main.mycf_name and then was able to run nodetool cleanup without problem.

I recreated the core dsetool create_core main.mycf_name; I tested nodetool cleanup and it still worked.