Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 85396c0c05e157915896815a8b32745cbe72bf965ae55ce7d83105458b5529db:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^