After creating local mail server when parsing mail from thunderbird to the app i get this error and this error is getting in debug when i start the server

message=Permission denied (0.001 + 0.000 secs)., stack=Error: Permission denied (0.001 + 0.000 secs).
at Connection._resTagged (/home/yosri/Desktop/trudesk/node_modules/imap/lib/Connection.js:1502:11)
at Parser. (/home/yosri/Desktop/trudesk/node_modules/imap/lib/Connection.js:194:10)
at emitOne (events.js:116:13)
at Parser.emit (events.js:211:7)
at Parser._resTagged (/home/yosri/Desktop/trudesk/node_modules/imap/lib/Parser.js:175:10)
at Parser._parse (/home/yosri/Desktop/trudesk/node_modules/imap/lib/Parser.js:139:16)
at Parser._tryread (/home/yosri/Desktop/trudesk/node_modules/imap/lib/Parser.js:82:15)
at Socket.Parser.cbReadable (/home/yosri/Desktop/trudesk/node_modules/imap/lib/Parser.js:53:12)
at emitNone (events.js:106:13)
at Socket.emit (events.js:208:7)
at emitReadable
(_stream_readable.js:513:10)
at emitReadable (_stream_readable.js:507:7)
at addChunk (_stream_readable.js:274:7)
at readableAddChunk (_stream_readable.js:250:11)
at Socket.Readable.push (_stream_readable.js:208:10)
at TCP.onread (net.js:607:20), type=no, textCode=NOPERM, source=protocol