Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a7f1e696cc2d1fff9056343309a2c7bb0ad6f9f119a589ffe97c530138bb2ffd:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^