Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bccd01c77a53c85d74fbf79a9d17f1131a94fc1463f5190678cf72dc39d9ea72:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^