Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3bdca85db5bfa7ed12617f86793eac4f110c8258973cf9a7c77861db9ef75f09:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^