Lightcurve fit analysis failed

[nyctophile-aayu]

I am analysing a test run for 3C 279 and everything else works fine except for the lightcurve making. It is generating errors for every time bin as shown below. These are few of them, there are more time bins.

2023-09-27 14:19:32 INFO GTAnalysis.lightcurve(): Computing Lightcurve for 4FGL J1256.1-0547
2023-09-27 14:19:46 INFO GTAnalysis.lightcurve(): Computing Lightcurve for 4FGL J1256.1-0547
2023-09-27 14:19:48 ERROR GTAnalysis._make_lc(): Fit failed in bin 0 in range 239557417 240421417.
2023-09-27 14:19:50 ERROR GTAnalysis._make_lc(): Fit failed in bin 1 in range 240421417 241285417.
2023-09-27 14:19:52 ERROR GTAnalysis._make_lc(): Fit failed in bin 2 in range 241285417 242149417.
2023-09-27 14:19:54 ERROR GTAnalysis._make_lc(): Fit failed in bin 3 in range 242149417 243013417.
2023-09-27 14:19:55 ERROR GTAnalysis._make_lc(): Fit failed in bin 4 in range 243013417 243877417.
2023-09-27 14:19:57 ERROR GTAnalysis._make_lc(): Fit failed in bin 5 in range 243877417 244741417.
2023-09-27 14:19:59 ERROR GTAnalysis._make_lc(): Fit failed in bin 6 in range 244741417 245605417.
2023-09-27 14:20:01 ERROR GTAnalysis._make_lc(): Fit failed in bin 7 in range 245605417 246469417.
2023-09-27 14:20:03 ERROR GTAnalysis._make_lc(): Fit failed in bin 8 in range 246469417 247333417.
2023-09-27 14:20:05 ERROR GTAnalysis._make_lc(): Fit failed in bin 9 in range 247333417 248197417.
2023-09-27 14:20:07 ERROR GTAnalysis._make_lc(): Fit failed in bin 10 in range 248197417 249061417.
2023-09-27 14:20:08 ERROR GTAnalysis._make_lc(): Fit failed in bin 11 in range 249061417 249925417.
2023-09-27 14:20:10 ERROR GTAnalysis._make_lc(): Fit failed in bin 12 in range 249925417 250789417.
2023-09-27 14:20:12 ERROR GTAnalysis._make_lc(): Fit failed in bin 13 in range 250789417 251653417.
2023-09-27 14:20:14 ERROR GTAnalysis._make_lc(): Fit failed in bin 14 in range 251653417 252517417.
2023-09-27 14:20:16 ERROR GTAnalysis._make_lc(): Fit failed in bin 15 in range 252517417 253381417.
2023-09-27 14:20:18 ERROR GTAnalysis._make_lc(): Fit failed in bin 16 in range 253381417 254245417.
2023-09-27 14:20:19 ERROR GTAnalysis._make_lc(): Fit failed in bin 17 in range 254245417 255109417.
2023-09-27 14:20:22 INFO GTAnalysis.lightcurve(): Finished Lightcurve

I am attaching the fermipy log file. I am using Linux 64 bit, fermipy version v1.1, ScienceTools version 2.2.0, numpy 1.21.6. Please help me with this to fix the fermipy data analysis. I have reached out to fermi help desk but they have suggested to reach out to the fermipy team here.

Please help.

-Ayush
fermipy.log
fermipy.log

[omodei]

Hi, sorry, the log and the output are not very useful, Can you send me everything I need to reproduce this issue?