Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9f756f430c920e520b83288f1c03a9094785d66188c6453eae4d6b3d7960f0d0:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^