Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c67b64a71a5a8c31882e1ec5c91e47efe3bced0b27a6bab27f1a69512e0c2152:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^