Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f0fab891756ca354b04a9cc7820cadb9fd7b8e1a6a3c6ac9431143376b54a0ae:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^