Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 185d97a1b09cba8499d1eb3454093a662b1704697b87fc635915c1092bdc6838:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^