Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0a1cef52dd621bb1a70faa591fdda92ea57f5f41a51a7349800e6fcc8f43fdd7:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^