Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d93a9428d43a7dd12ad2d24c953a1cfb3abb071e1f148797213a59930a139b94:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^