Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 122a5d1e7a0e509a8d5419a698d370b7fab83ad4105662d1ae0bf029dd4a6d02:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^