Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0512e1b774d60e8d0481e9c4e212291e8c681c99b228981fd218cc7efd0078de:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^