Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 580c80a05ce56712a528c5003e8c52f7c9852134e15d156dc5f20c9a89390ce7:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^