Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 735fcc73341945ae353aefb0731b57e2a249f49f7b0e7eddc7f3512e04c63b50:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^