Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> aae6d46420e0eb1306656619b21a70e42b886be475f9dcb91a1073ebc71a8ae1:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^