Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b45b2191c810edeca492ee3f3b9f47ecff5b100c86d58ea7aa44505e2a262613:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^