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Error Message: HTTP Error 503 Service unavailable. Please try again in a few seconds.... Inner Exception: Solr HTTP error: OK (400)
{"error":{"msg":"org.apache.solr.search.SyntaxError: Cannot parse '(clio_contentType_s_Text:\"researcher\") AND facetCountry:%22UA%22%20AND%20facetOrganization:%22Institute%20of%20History%20of%20Ukraine%20National%20Academy%20of%20Sciences%20of%20Ukraine%22 AND channels_published:\"clio\"': Encountered \" \":\" \": \"\" at line 1, column 90.\r\nWas expecting one of:\r\n \r\n ...\r\n ...\r\n ...\r\n \"+\" ...\r\n \"-\" ...\r\n ...\r\n \"(\" ...\r\n \"*\" ...\r\n \"^\" ...\r\n ...\r\n ...\r\n ...\r\n ...\r\n ...\r\n ...\r\n \"[\" ...\r\n \"{\" ...\r\n ...\r\n ...\r\n ","code":400}}