Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8aa12c9b6c84ecc62690b1a8a20ae8a87369ba57f6022b7a343da83715c522f4:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^