Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d7bc9e99c513b91e2e54b1a62b67007a47013d87d8a261030c6ae2732a3fbb97:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^