Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 31d18df5a72b186d161096d576302e8e21e542a3b4b4ff2c0616c415babdd0a6:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^