Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d0e9ad34aa34576ec7a1e0b697ac5c3951d90b1b8a3482266ecbda419ed03b7d:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^