Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d402db1c2022af11e7ed148a211b087a46637b7aeb39440d2a9e98132191d32b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^