Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1a6d3bf733758d809667db689ca8ee0804d8715de41af0fdbcc735223724f47e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^