Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2a8b19165ebc10a0ffc434be8d40afb63f9136c612db5f91b0c89209c8584b5a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^