Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 01763c62f7fee4347bcd35c2acdaed5682a7dc53c6ba9fb833918dcd2e66ba37:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^