Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 03dab92140bf53f8e2e1a416b613b0803d402e34f9d6f0fce66db368553fb95a:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^