[SOLVED] Precise calcul of projets

Oh, you have right....

i have seen cron was launch... But after 10 minutes, anormally stopped...

Please find below the log :
2018-12-11 10:10:07.782 ===== TRACE ===== Calcul automatique du planning : calcul différentiel - Projets : 2483,2588,3858,1814,2497,353,2553,3859,2569,78,2706,81,2940,2716,2679,2724,2298,3036,2768,1999,2546,2585,2293,3058,3719,3179,2626,3084,3423,3739,2589,2682,10,2436,2792,2952,2482,2437,1868,3436,2971,1094,1229,2812,3072,3459,2130,2821,1545,83,3767,2340,2715,2212,2309,2582,3354,2727,1704,1870,2813,2818,2215,2200,2484,622,1173,1871,3514,2338,3479,3652,1905,3773,3666,2852,2788,1309,1392,3771,86,3784,2978,1872,3785,2752,2790,3442,2980,3786,3509,2856,2760,1880,3787,1954,2290,2750,3275,1089,2413,3766,3774,2591,2629,2960,3778,3788,2890,2281,2902,3045,1693,2762,1208,3583,3789,2501,2987,2117,1158,2504,2928,3780,2514,2113,2192,2981,3169,2565,3616,3840,138,3854,3715,3842,3716,1224,3717,3843,3850,3856,3851,3494,3225,3857,1945,3597,1738,3667,3298,3608,52,528,2263,2143,3078,3294,3295,3684,1161,1372,3224,3609,3676,3190,1874,2795,1294,3422,3689,3703,3120,1446,3696,3522,3690,3451
2018-12-11 10:12:26.685 ***** ERROR ***** [V7.1.5] EXCEPTION *****
2018-12-11 10:12:26.685 ***** ERROR ***** [V7.1.5] on file '/var/www/html/model/persistence/Sql.php' at line (179)
2018-12-11 10:12:26.686 ***** ERROR ***** [V7.1.5] cause = There is already an active transaction
2018-12-11 10:12:26.686 ***** ERROR ***** [V7.1.5] => #0 /var/www/html/model/persistence/Sql.php (179) -> beginTransaction()
2018-12-11 10:12:26.686 ***** ERROR ***** [V7.1.5] => #1 /var/www/html/model/PlannedWork.php (1174) -> beginTransaction()
2018-12-11 10:12:26.686 ***** ERROR ***** [V7.1.5] => #2 /var/www/html/tool/cronExecutionStandard.php (46) -> plan()
2018-12-11 10:12:26.686 ***** ERROR ***** [V7.1.5] => #4 /var/www/html/model/Cron.php (420) -> call_user_func()
2018-12-11 10:12:26.686 ***** ERROR ***** [V7.1.5] => #5 /var/www/html/tool/cronRun.php (31) -> run()
2018-12-11 10:12:26.687 ===== TRACE ===== Cron error : Une exception est survenue le 2018-12-11 à 10:12:26
2018-12-11 10:12:26.688 ***** ERROR ***** [V7.1.5] cron abnormally stopped

Do you have an idea to fix it ?

Oh, thanks for your reply.

Migration to 7.2.7 planifed for next week... we will wait