Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cf93733d9c2cdf6b6f1211db0a6c0727373fb7a4abf3fafe6d2bd0018254472d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^