Exoplayer hls stream behavior

Hello,
I am using exoplayer for hls stream in my project.I am seeing continues logs in logcat in android studio and some times hls stream I am using is having some glitch I dont understand what are those logs or why they are coming when I pass hls url to player logs are as below

2022-04-01 11:55:18.531 11862-12066/ E/FMQ: grantorIdx must be less than 3
2022-04-01 11:55:18.532 11862-12066/ E/FMQ: grantorIdx must be less than 3
2022-04-01 11:55:18.544 11862-12066/ E/FMQ: grantorIdx must be less than 3
2022-04-01 11:55:18.725 11862-12017/ E/FMQ: grantorIdx must be less than 3

Can anyone tell me what are these logs for ? and why they are flashing up ?

Also some times I am seeing below logs can any one explain in detail why these logs also showing while streaming

E/AudioTrack: Discontinuity detected [expected 84135528742, got 84138222076]
2022-04-01 12:03:34.521 12254-12542/AudioTrack: Discontinuity detected [expected 84142239128, got 84143471343]
2022-04-01 12:03:41.679 12254-12542/AudioTrack: Discontinuity detected [expected 84152550346, got 84152851798]
2022-04-01 12:03:51.541 12254-12542/AudioTrack: Discontinuity detected [expected 84162673839, got 84163272798]