Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a224d9bf79396832991268d553959f5dacd41e92fdc252e345cd6656f4bc0e08:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^