Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a775532327575faa26a118fef73315ff7b2da5c85dbe76f0fbc68222716532ed:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^