Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 193f86408cb97fdfcf887d3193749a15c638bc870e59e02ba5f57e21d6a4ba7f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^