Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 952db23df7cecd91981a13c74754f2118d40a9e3e94ca42385094fec20afef7e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^