Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a38d318a9e2a8bddc807a07008b0f765bc16645e3c8d937f53ca119123a4d1de:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^