Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6e61a669c82aba4f8881400933ce0d6f53aa91a2faaaa2198b967fa84074fc42:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^