Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7df51335c07f0d39da97e60bc90f2210308138c09ff4c00709a3a5a0bdf89d42:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^