# Exist a problem in indexer?

**URL:** <https://forum.algorand.co/t/exist-a-problem-in-indexer/6330>\
**Category:** Uncategorized\
**Created:** [March 23, 2022, 11:25pm UTC](https://forum.algorand.co/t/exist-a-problem-in-indexer/6330 "2022-03-23T23:25:42Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![hamidhajaje](https://avatars.discourse-cdn.com/v4/letter/h/e5b9ba/32.png) [@hamidhajaje](https://forum.algorand.co/u/hamidhajaje)\
**Post date:** [March 24, 2022, 1:52pm UTC](https://forum.algorand.co/t/exist-a-problem-in-indexer/6330/5 "2022-03-24T13:52:32Z")

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I use go-algorand branch rel/stable and indexer branch master but i received the same error :

{“level”:“info”,“msg”:“adding block 643”,“time”:“2022-03-24T14:49:39+01:00”}  
{“error”:“AddBlock() err: TxWithRetry() err: attemptTx() err: AddBlock() err: AddBlock() err: getSigTypeDelta() err: unable to determine the signature type”,“level”:“error”,“msg”:“adding block 643 to database failed”,“time”:“2022-03-24T14:49:39+01:00”}

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