Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c2ad1876235b014923fb8387cae1b1cf57c5b0f687fe7358f2b51bab53cdb9b2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^