My voice chat not working

Voice chat not working ?
this is the file from Overwatch folder:
[4108] [ERR] [bnl] [External(0)] [External()] [2019-08-18T23:51:37.797Z]: PathOps: [20190818T18:51:37] {1758} ERR: … is the leading path component: /…/.build.info
[4108] [ERR] [bnl] [External(0)] [External()] [2019-08-18T23:51:37.797Z]: PathOps: [20190818T18:51:37] {1758} ERR: path normalization failed: /…/.build.info
[4108] [ERR] [Game] [External(0)] [External()] [2019-08-18T23:52:01.923Z]: #= VoiceClient: ERROR:+ Cannot set active mic to unknown device Micrófono (Realtek High Definition Audio)
[4108] [ERR] [Game] [External(0)] [External()] [2019-08-18T23:52:01.976Z]: #= VoiceClient: ERROR:+ Cannot set active mic to unknown device Micrófono (Realtek High Definition Audio)
[4108] [ERR] [bnl] [External(0)] [External()] [2019-08-18T23:53:45.478Z]: BNL_Voice: [20190818T18:53:45] {1758} ERR: text stream error | code: 1096 (Call Terminated by Client Due to Timeout)
[4108] [ERR] [bnl] [External(0)] [External()] [2019-08-18T23:54:28.406Z]: BNL_Voice: [20190818T18:54:28] {1758} ERR: text stream error | code: 1096 (Call Terminated by Client Due to Timeout)
[4108] [ERR] [Game] [External(0)] [External()] [2019-08-19T00:10:15.497Z]: #= VoiceClient: ERROR:+ Cannot set active mic to unknown device Micrófono (Realtek High Definition Audio)
[4108] [ERR] [bnl] [External(0)] [External()] [2019-08-19T00:10:48.064Z]: BNL_Voice: [20190818T19:10:48] {1758} ERR: text stream error | code: 1096 (Call Terminated by Client Due to Timeout)
[4108] [ERR] [bnl] [External(0)] [External()] [2019-08-19T00:17:12.761Z]: BNL_Voice: [20190818T19:17:12] {1758} ERR: text stream error | code: 1096 (Call Terminated by Client Due to Timeout)
[4108] [ERR] [bnl] [External(0)] [External()] [2019-08-19T00:17:54.695Z]: BNL_Voice: [20190818T19:17:54] {1758} ERR: text stream error | code: 1096 (Call Terminated by Client Due to Timeout)
[4108] [ERR] [bnl] [External(0)] [External()] [2019-08-19T00:20:23.891Z]: BNL_Voice: [20190818T19:20:23] {1758} ERR: text stream error | code: 1096 (Call Terminated by Client Due to Timeout)
[4108] [ERR] [bnl] [External(0)] [External()] [2019-08-19T00:21:05.892Z]: BNL_Voice: [20190818T19:21:05] {1758} ERR: text stream error | code: 1096 (Call Terminated by Client Due to Timeout)
i need help please