Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7967ca5fddb5d35e7cfe54edb8a03f0c1902f8765c56fc2e4e50edf47e890160:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^