Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 84a43d4b841775ca2524ea21dd486724dc43accb7a91642490ea9a7bc86b398b:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^