Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 30aa6b856e17f72d7db9a201d86b205b4c9a58df068437649f92d62404d8c001:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^