hello
after the upgrade from version 1.14.x to 1.15.x i got this error, what it could be and any info how to solve it. Forum is down after upgrade
2020-11-05T11:12:23.117Z [4568/1522469] - error: uncaughtException: Collection already exists. NS: forum_bb.socket.io
MongoError: Collection already exists. NS: forum_bb.socket.io
    at MessageStream.messageHandler (/public_html/nodebb/node_modules/mongodb/lib/cmap/connection.js:268:20)
    at MessageStream.emit (events.js:314:20)
    at processIncomingData (/public_html/nodebb/node_modules/mongodb/lib/cmap/message_stream.js:144:12)
    at MessageStream._write (/public_html/nodebb/node_modules/mongodb/lib/cmap/message_stream.js:42:5)
    at doWrite (_stream_writable.js:403:12)
    at writeOrBuffer (_stream_writable.js:387:5)
    at MessageStream.Writable.write (_stream_writable.js:318:11)
    at Socket.ondata (_stream_readable.js:719:22)
    at Socket.emit (events.js:314:20)
    at addChunk (_stream_readable.js:298:12) {"error":{"ok":0,"code":48,"codeName":"NamespaceExists","name":"MongoError"},"stack":"MongoError: Collection already exists. NS: forum_bb.socket.io\n    at MessageStream.messageHandler (/public_html/nodebb/node_modules/mongodb/lib/cmap/connection.js:268:20)\n    at MessageStream.emit (events.js:314:20)\n    at processIncomingData (/public_html/nodebb/node_modules/mongodb/lib/cmap/message_stream.js:144:12)\n    at MessageStream._write (/public_html/nodebb/node_modules/mongodb/lib/cmap/message_stream.js:42:5)\n    at doWrite (_stream_writable.js:403:12)\n    at writeOrBuffer (_stream_writable.js:387:5)\n    at MessageStream.Writable.write (_stream_writable.js:318:11)\n    at Socket.ondata (_stream_readable.js:719:22)\n    at Socket.emit (events.js:314:20)\n    at addChunk (_stream_readable.js:298:12)","exception":true,"date":"Thu Nov 05 2020 11:12:23 GMT+0000 (Coordinated Universal Time)","process":{"pid":1522469,"uid":1001,"gid":1001,"cwd":"/public_html/nodebb","execPath":"/usr/bin/node","version":"v12.19.0","argv":["/usr/bin/node","/public_html/nodebb/app.js"],"memoryUsage":{"rss":148234240,"heapTotal":102612992,"heapUsed":75559232,"external":20261562,"arrayBuffers":18742940}},"os":{"loadavg":[0.82,0.9,0.53],"uptime":1094243},"trace":[{"column":20,"file":"/public_html/nodebb/node_modules/mongodb/lib/cmap/connection.js","function":"MessageStream.messageHandler","line":268,"method":"messageHandler","native":false},{"column":20,"file":"events.js","function":"MessageStream.emit","line":314,"method":"emit","native":false},{"column":12,"file":"/public_html/nodebb/node_modules/mongodb/lib/cmap/message_stream.js","function":"processIncomingData","line":144,"method":null,"native":false},{"column":5,"file":"/public_html/nodebb/node_modules/mongodb/lib/cmap/message_stream.js","function":"MessageStream._write","line":42,"method":"_write","native":false},{"column":12,"file":"_stream_writable.js","function":"doWrite","line":403,"method":null,"native":false},{"column":5,"file":"_stream_writable.js","function":"writeOrBuffer","line":387,"method":null,"native":false},{"column":11,"file":"_stream_writable.js","function":"MessageStream.Writable.write","line":318,"method":"write","native":false},{"column":22,"file":"_stream_readable.js","function":"Socket.ondata","line":719,"method":"ondata","native":false},{"column":20,"file":"events.js","function":"Socket.emit","line":314,"method":"emit","native":false},{"column":12,"file":"_stream_readable.js","function":"addChunk","line":298,"method":null,"native":false}]}
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Sandeep Bhuiya
