Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 345afc320bf9245d121d0c9850ebaba3f5882e4d9a6c5e7c3a563f9a556bc11e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^