I'd posted the following a while back, in one of the other areas, no comments or replies.

bottom line, MacOS client 7.20.4 seems to have some sort of a permissions problem when it tries to write output files to disk (my read)

https://boinc.berkeley.edu/forum_thread.php?id=14881

Fri Jan 6 13:08:52 2023 | World Community Grid | Started download of MCM1_0194376_5284_MCM1_0194376_5284.txt
Fri Jan 6 13:08:52 2023 | World Community Grid | Started download of mcm1.dataset-sarc1.txt
Fri Jan 6 13:08:53 2023 | World Community Grid | Finished download of MCM1_0194376_5284_MCM1_0194376_5284.txt
Fri Jan 6 13:09:10 2023 | World Community Grid | Finished download of mcm1.dataset-sarc1.txt
Fri Jan 6 13:09:11 2023 | World Community Grid | Starting task MCM1_0194376_5284_2
Fri Jan 6 13:09:13 2023 | World Community Grid | Computation for task MCM1_0194376_5284_2 finished
Fri Jan 6 13:09:13 2023 | World Community Grid | Output file MCM1_0194376_5284_2_r912214080_0 for task MCM1_0194376_5284_2 absent

I see this on both Mohave and High Sierra machines (both at the most recent revision).

Not project specific, either.
Sat Jan 7 08:27:24 2023 | Einstein@Home | Starting task p2030.20200708.G52.56-02.70.S.b0s0g0.00000_1504_1
Sat Jan 7 08:27:25 2023 | Einstein@Home | Computation for task p2030.20200708.G52.56-02.70.S.b0s0g0.00000_1504_1 finished
Sat Jan 7 08:27:25 2023 | Einstein@Home | Output file p2030.20200708.G52.56-02.70.S.b0s0g0.00000_1504_1_0 for task p2030.20200708.G52.56-02.70.S.b0s0g0.00000_1504_1 absent
Sat Jan 7 08:27:25 2023 | Einstein@Home | Output file p2030.20200708.G52.56-02.70.S.b0s0g0.00000_1504_1_1 for task p2030.20200708.G52.56-02.70.S.b0s0g0.00000_1504_1 absent
Sat Jan 7 08:27:25 2023 | Einstein@Home | Output file p2030.20200708.G52.56-02.70.S.b0s0g0.00000_1504_1_2 for task p2030.20200708.G52.56-02.70.S.b0s0g0.00000_1504_1 absent
Sat Jan 7 08:27:25 2023 | Einstein@Home | Output file p2030.20200708.G52.56-02.70.S.b0s0g0.00000_1504_1_3 for task p2030.20200708.G52.56-02.70.S.b0s0g0.00000_1504_1 absent
Sat Jan 7 08:27:25 2023 | Einstein@Home | Output file p2030.20200708.G52.56-02.70.S.b0s0g0.00000_1504_1_4 for task p2030.20200708.G52.56-02.70.S.b0s0g0.00000_1504_1 absent
Sat Jan 7 08:27:25 2023 | Einstein@Home | Output file p2030.20200708.G52.56-02.70.S.b0s0g0.00000_1504_1_5 for task p2030.20200708.G52.56-02.70.S.b0s0g0.00000_1504_1 absent
Sat Jan 7 08:27:25 2023 | Einstein@Home | Output file p2030.20200708.G52.56-02.70.S.b0s0g0.00000_1504_1_6 for task p2030.20200708.G52.56-02.70.S.b0s0g0.00000_1504_1 absent
Sat Jan 7 08:27:25 2023 | Einstein@Home | Output file p2030.20200708.G52.56-02.70.S.b0s0g0.00000_1504_1_7 for task p2030.20200708.G52.56-02.70.S.b0s0g0.00000_1504_1 absent

Any thoughts would be greatly appreciated.

Tom Coradeschi