Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a7f1e8f248123006ef39354dbd7806ba18e5dd57415be19361ae4c3237da57a8:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^