Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e2a7be5fdabc7a445db42475c22ba5c8c94dd700126c0cc0d56939e15e82fbe0:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^