Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cf069cd360b41da08362c323aab503a2f519bb23023ab7a6f1c2db2b6dd6224a:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^