Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 44a54597f24b46f22584c0c78d1f778aef54f6827c83a8b54193bc6ccdfab4dc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^