Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 64499e09678747b5db6bc01a3174f42503b1fbfef16560893a8dfb4ac77b845f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^