Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 60f40c7445ffe41d7e8ab8a42e648bb99014b21e56976b84c6ddfc171a115d9d:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^