8589934601
2.0.9.stable [rel/stable] (commit #a7718244)
go-algorand is licensed with AGPLv3.0
source code available at https://github.com/algorand/go-algorand
./sandbox goal node status
Last committed block: 8841644
Time since last block: 0.0s
Sync Time: 0.0s
Last consensus protocol:
Next consensus protocol:
Round for next consensus protocol: 8841645
Next consensus protocol supported: false
Last Catchpoint: 8840000#YLCU3IDEP3MHH4JYJPHUQXZSYUU6QMU4IDXXLCSHT2QPEX36QDMQ
Last supported block (8841644) is committed. The next block consensus protocol is not supported. Catchup service is stopped.
The issue is that your sandbox is outdated and thus cannot sync.
You can see it on the line:
Next consensus protocol supported: false
Furthermore, you can see that your last committed block (8841644) does not match the round of a block explorer such as https://testnet.algoexplorer.io/.
You need to update the sandbox (warning: it will remove all the files on the sandbox):