[ERROR] Cannot open master file /usr2/sched/vlbi2023.txt (program line: 295)
[ERROR] Session was never prepared for observation: SNAP file of session wf130v does not exist (program line: 363)
[ERROR] Session was never prepared for observation: SNAP file of session wf269l does not exist (program line: 363)
[ERROR] Session was never prepared for observation: SNAP file of session wf279k does not exist (program line: 363)