Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 064558a465f1297de09ce98ffa82df6bfdca66a2221eddbb8e38b152994c4ada:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^