Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 518167aba002abd4b037425d0d91ef8bb3370f166a955388d07f08534cae243f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^