Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3031f22c8f4a2e127e7606b936b0f434d96daa20adda8210fc10ea6656b048c8:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^