Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 22b9afecbef5cfb28080da7f7929108a5d6e15be4b7fac8bf89921ab44b15a66:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^