Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e7c23d6db9ae7631747a6e4de124266ee9afde3c1373cf5dd7def57ad242b4ea:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^