Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7f7baa689e0377ba71c0c35c2bb7ef787f15071f63ba84db2cb33eb575d573d4:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^