Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 323fe9c47500e4d5a2bce82d0790e7fba9332306f0fc75d47666877e8bdd14c5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^