Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e0bdfa1b02cc8e2e44a614f001ef9eff2cf30add2a740128da252ef4ddbbaed9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^