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DMVPN spoke to spoke not established

In the topology attached I am advertising tunnel ip and loopbacks for the specific hub and spokes in their eigrp , there is connectivity between all but still Eigrp routes are not coming and its flapping.ISAKMP is on , tunnel is also up.I am also attaching hub and spoke configs and topology  for your reference.

This is the error message:

7:09.791: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 145: Neighbor 172.16.145.5 (Tunnel0) is down: retry limit exceeded

*Mar  1 00:57:11.351: %CRYPTO-4-RECVD_PKT_INV_SPI: decaps: rec'd IPSEC packet has invalid spi for destaddr=10.1.12.1, prot=50, spi=0x77DF7896(2011134102), srcaddr        in use settings ={Transport, }

        conn id: 29, flow_id: SW:29, crypto map: Tunnel0-head-0

        sa timing: remaining key lifetime (k/sec): (4405256/3495)

        IV size: 8 bytes

        replay detection support: Y

        Status: ACTIVE

*Mar  1 00:57:21.895: YPTO-6-PRINTABORT: deletion caused early termination of show output for identity

R1#

*Mar  1 00:09:49.443: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 145: Neighbor 172.16.145.4 (Tunnel0) is down: retry limit exceeded

*Mar  1 00:09:50.051: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 145: Neighbor 172.16.145.4 (Tunnel0) is up: new adjacency

*Mar  1 00:11:00.311: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 145: Neighbor 172.16.145.5 (Tunnel0) is down: retry limit exceeded

*Mar  1 00:11:00.775: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 145: Neighbor 172.16.145.5 (Tunnel0) is up: new adjacency

*Mar  1 00:11:09.575: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 145: Neighbor 172.16.145.4 (Tunnel0) is down: retry limit exceeded

*Mar  1 00:11:11.551: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 145: Neighbor 172.16.145.4 (Tunnel0) is up: new adjacency

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