Collection has disappeared

Hi,
We are running sharded cluster v 5.0.25
Today we found out that collection with name application_info has disappeared.
In logs I see records which don’t look like usual db.collection.drop() command

{"t":{"$date":"2024-12-19T05:24:22.181-05:00"},"s":"I",  "c":"COMMAND",  "id":518070,  "ctx":"ShardServerCatalogCacheLoader::runCollAndChunksTasks","msg":"CMD: drop","attr":{"namespace":"config.cache.chunks.archCenterDb.application_info"}}
{"t":{"$date":"2024-12-19T05:48:55.500-05:00"},"s":"I",  "c":"COMMAND",  "id":518070,  "ctx":"ShardServerCatalogCacheLoader::runCollAndChunksTasks","msg":"CMD: drop","attr":{"namespace":"config.cache.chunks.archCenterDb.system.js"}}

pls advise what happened with the collection