Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8f93023d1de9dfbed02d7ec64140266b17317bd3fe50604eab8cd9a535c69cd1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^