Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 77fae2e7e57092a36d98d89bbdcbea64bab1206796152a5a3705d4de7d4db736:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^