Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e29c767283c51d6d13d7105ad0f24dbd2e5a628eb23091c45f6edcfe4f042e2f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^