Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4bc87a7d95dd99934fc0a6eed40306c5e8247aaabc52d85fa7712f186e1eb99d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^