Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7f359ecb63f43811948e4059b5535e3583d8e8d392a1a8b81fe7b73c4ab079e7:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^