RESOLVED: Sitecore Solr provider error: Value cannot be null. Parameter name: fieldNameTranslator.
  Server Error in '/' Application.           Value cannot be null.  Parameter name: fieldNameTranslator    Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.   Exception Details: System.ArgumentNullException: Value cannot be null.  Parameter name: fieldNameTranslator   Source Error:          An unhandled exception was generated during   the execution of the current web request. Information regarding the origin   and location of the exception can be identified using the exception stack   trace below.         Stack Trace:             [ArgumentNullException: Value cannot be null.   Parameter name: fieldNameTranslator]      Sitecore.ContentSearch.Linq.Solr.SolrIndexParameters..ctor(IIndexValueFormatter   valueFormatter, IFieldQueryTranslatorMap`1 fieldQueryTranslators,   FieldNameTranslator fieldNameTranslator, IExecutionContext[] execu...