Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 23c31b267ca89de51677202f06e2d59ef71e49f34726fbaa9e496b893840ae0e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^