i am using the lastest Electroneum 3.0.0.0 from github downloaded
everytime i am getting this error .
help us to solve it .
log :
2019-07-13 05:04:12.776 8868 INFO logging contrib/epee/src/mlog.cpp:148 New log categories: *:WARNING,net:FATAL,net.p2p:FATAL,net.cn:FATAL,global:INFO,verify:FATAL,stacktrace:INFO,logging:INFO,msgwriter:INFO
2019-07-13 05:04:12.777 8868 INFO logging contrib/epee/src/mlog.cpp:148 New log categories: *:WARNING,net:FATAL,net.p2p:FATAL,net.cn:FATAL,global:INFO,verify:FATAL,stacktrace:INFO,logging:INFO,msgwriter:INFO,bcutil:INFO
2019-07-13 05:04:12.777 8868 INFO bcutil src/blockchain_utilities/blockchain_import.cpp:801 Starting…
2019-07-13 05:04:12.778 8868 INFO bcutil src/blockchain_utilities/blockchain_import.cpp:836 database: lmdb
2019-07-13 05:04:12.778 8868 INFO bcutil src/blockchain_utilities/blockchain_import.cpp:837 database flags: 0
2019-07-13 05:04:12.779 8868 INFO bcutil src/blockchain_utilities/blockchain_import.cpp:838 verify: false
2019-07-13 05:04:12.779 8868 INFO bcutil src/blockchain_utilities/blockchain_import.cpp:842 batch: true batch size: 20000
2019-07-13 05:04:12.779 8868 INFO bcutil src/blockchain_utilities/blockchain_import.cpp:848 resume: true
2019-07-13 05:04:12.779 8868 INFO bcutil src/blockchain_utilities/blockchain_import.cpp:849 testnet: false
2019-07-13 05:04:12.781 8868 INFO bcutil src/blockchain_utilities/blockchain_import.cpp:851 bootstrap file path: D:\Electronumeblockchain.raw
2019-07-13 05:04:12.782 8868 INFO bcutil src/blockchain_utilities/blockchain_import.cpp:852 database path: C:\ProgramData\electroneum
2019-07-13 05:04:13.544 8868 WARN global src/blockchain_utilities/blockchain_import.cpp:862 e[1;31m
Import is set to proceed WITHOUT VERIFICATION.
This is a DANGEROUS operation: if the file was tampered with in transit, or obtained from a malicious source,
you could end up with a compromised database. It is recommended to NOT use --verify 0.
You have 20 seconds to press ^C or terminate this program before unverified import starts
*****************************************************************************************e[0m
2019-07-13 05:04:33.547 8868 INFO global src/cryptonote_core/cryptonote_core.cpp:343 Loading blockchain from folder C:\ProgramData\electroneum\lmdb …
2019-07-13 05:04:33.550 8868 WARN blockchain.db.lmdb src/blockchain_db/lmdb/db_lmdb.cpp:73 Failed to open lmdb environment: Input/output error
2019-07-13 05:04:33.550 8868 ERROR cn src/cryptonote_core/cryptonote_core.cpp:419 Error opening database: Failed to open lmdb environment: Input/output error
2019-07-13 05:06:13.039 8964 INFO logging contrib/epee/src/mlog.cpp:148 New log categories: *:WARNING,net:FATAL,net.p2p:FATAL,net.cn:FATAL,global:INFO,verify:FATAL,stacktrace:INFO,logging:INFO,msgwriter:INFO
2019-07-13 05:06:13.039 8964 INFO logging contrib/epee/src/mlog.cpp:148 New log categories: *:WARNING,net:FATAL,net.p2p:FATAL,net.cn:FATAL,global:INFO,verify:FATAL,stacktrace:INFO,logging:INFO,msgwriter:INFO,bcutil:INFO
2019-07-13 05:06:13.040 8964 INFO bcutil src/blockchain_utilities/blockchain_import.cpp:801 Starting…
2019-07-13 05:06:13.040 8964 INFO bcutil src/blockchain_utilities/blockchain_import.cpp:836 database: lmdb
2019-07-13 05:06:13.040 8964 INFO bcutil src/blockchain_utilities/blockchain_import.cpp:837 database flags: 0
2019-07-13 05:06:13.041 8964 INFO bcutil src/blockchain_utilities/blockchain_import.cpp:838 verify: false
2019-07-13 05:06:13.041 8964 INFO bcutil src/blockchain_utilities/blockchain_import.cpp:842 batch: true batch size: 20000
2019-07-13 05:06:13.042 8964 INFO bcutil src/blockchain_utilities/blockchain_import.cpp:848 resume: true
2019-07-13 05:06:13.042 8964 INFO bcutil src/blockchain_utilities/blockchain_import.cpp:849 testnet: false
2019-07-13 05:06:13.044 8964 INFO bcutil src/blockchain_utilities/blockchain_import.cpp:851 bootstrap file path: D:\Electronume\blockchain.raw
2019-07-13 05:06:13.045 8964 INFO bcutil src/blockchain_utilities/blockchain_import.cpp:852 database path: C:\ProgramData\electroneum
2019-07-13 05:06:13.776 8964 WARN global src/blockchain_utilities/blockchain_import.cpp:862 e[1;31m
Import is set to proceed WITHOUT VERIFICATION.
This is a DANGEROUS operation: if the file was tampered with in transit, or obtained from a malicious source,
you could end up with a compromised database. It is recommended to NOT use --verify 0.
You have 20 seconds to press ^C or terminate this program before unverified import starts
*****************************************************************************************e[0m
2019-07-13 05:06:33.778 8964 INFO global src/cryptonote_core/cryptonote_core.cpp:343 Loading blockchain from folder C:\ProgramData\electroneum\lmdb …
2019-07-13 05:06:33.784 8964 INFO global src/cryptonote_core/cryptonote_core.cpp:441 Loading checkpoints
2019-07-13 05:06:33.785 8964 WARN blockchain.db.lmdb src/blockchain_db/lmdb/db_lmdb.cpp:2775 WARNING: batch transaction mode already enabled, but asked to enable batch mode
2019-07-13 05:06:33.786 8964 INFO bcutil src/blockchain_utilities/bootstrap_file.cpp:348 bootstrap file recognized
2019-07-13 05:06:33.786 8964 INFO bcutil src/blockchain_utilities/bootstrap_file.cpp:358 bootstrap::file_info size: 4
2019-07-13 05:06:33.788 8964 INFO bcutil src/blockchain_utilities/bootstrap_file.cpp:369 bootstrap file v0.1
2019-07-13 05:06:33.788 8964 INFO bcutil src/blockchain_utilities/bootstrap_file.cpp:370 bootstrap magic size: 4
2019-07-13 05:06:33.789 8964 INFO bcutil src/blockchain_utilities/bootstrap_file.cpp:371 bootstrap header size: 1024
2019-07-13 05:06:33.789 8964 INFO bcutil src/blockchain_utilities/bootstrap_file.cpp:468 Scanning blockchain from bootstrap file…
2019-07-13 05:08:51.443 8964 INFO bcutil src/blockchain_utilities/blockchain_import.cpp:292 bootstrap file last block number: 588985 (zero-based height) total blocks: 588986
2019-07-13 05:08:51.455 8964 INFO bcutil src/blockchain_utilities/bootstrap_file.cpp:348 bootstrap file recognized
2019-07-13 05:08:51.455 8964 INFO bcutil src/blockchain_utilities/bootstrap_file.cpp:358 bootstrap::file_info size: 4
2019-07-13 05:08:51.456 8964 INFO bcutil src/blockchain_utilities/bootstrap_file.cpp:369 bootstrap file v0.1
2019-07-13 05:08:51.456 8964 INFO bcutil src/blockchain_utilities/bootstrap_file.cpp:370 bootstrap magic size: 4
2019-07-13 05:08:51.457 8964 INFO bcutil src/blockchain_utilities/bootstrap_file.cpp:371 bootstrap header size: 1024
2019-07-13 05:08:51.458 8964 INFO bcutil src/blockchain_utilities/blockchain_import.cpp:336 start block: 1 stop block: 588985
2019-07-13 05:08:51.458 8964 INFO bcutil src/blockchain_utilities/blockchain_import.cpp:340 Reading blockchain from bootstrap file…
2019-07-13 05:08:54.919 8964 INFO global src/blockchain_db/lmdb/db_lmdb.cpp:577 [batch] DB resize needed
2019-07-13 05:08:54.920 8964 INFO global src/blockchain_db/lmdb/db_lmdb.cpp:497 LMDB Mapsize increased. Old: 1024MiB, New: 4174MiB
2019-07-13 05:08:54.973 8964 FATAL bcutil src/blockchain_utilities/blockchain_import.cpp:549 exception while reading from file, height=1: Error in deserialization of chunk