Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8cea6fb586fe62e20fd191dd2468316772dde5ae91a876a4d49dfaab7fbb00ef:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^