Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d01ae8770493945b0c998971fa8d0b74e811828eab74c14a671c172b28bac9cb:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^