Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1db02134460f6972baf97c0bc2ab1cab86d1c369ec3de2c25ac8d80c4312bf1a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^