Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 72b76fe272095036c0b0efd41b0966ca4fab79bfcddb2b79f96e58c375fc5363:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^