Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d889398fcd0160fe6c2c9ea60a8c38d7c3685510cea6bfea4aecf10219445c5a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^