Cannot run sqlite3 in terminal

When I type in sqlite3 into terminal (regardless of whether I include parameters or not), I am not able to run the command and instead get the following error.

  dyld: Library not 开发者_开发百科loaded: /opt/local/lib/libreadline.6.1.dylib
  Referenced from: /opt/local/bin/sqlite3
  Reason: image not found
  Trace/BPT trap: 5

Advice for resolving this issue will be much appreciated!

Thank you!

After you upgrade your system to Lion, you'd better to run

sudo port selfupdate

this command will update port self and rebuild it's base system if needed.