Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 71304885c58832a72ef46c248abc290155db1f930d0a102e6c193179492260c1:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^